Home / 868,200.30-1,302,300.45-269,156.70

Finding the Fourth Proportional to 868,200.30, 1,302,300.45 and 269,156.70

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Solution

The fourth proportional to 868,200.30, 1,302,300.45 and 269,156.70 is: 403,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,200.30 : 1,302,300.45 = 269,156.70 : x
  2. Step 2: Convert to fraction form
    868,200.30/1,302,300.45 = 269,156.70/x
  3. Step 3: Cross multiply
    868,200.30x = 1,302,300.45 × 269,156.70
  4. Step 4: Simplify right side
    868,200.30x = 350,522,891,530.52
  5. Step 5: Solve for x
    x = 350,522,891,530.52/868,200.30
  6. Step 6: Final answer
    x = 403,735.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.