Home / 461,744.20-692,616.30-212,912.20

Finding the Fourth Proportional to 461,744.20, 692,616.30 and 212,912.20

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Solution

The fourth proportional to 461,744.20, 692,616.30 and 212,912.20 is: 319,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,744.20 : 692,616.30 = 212,912.20 : x
  2. Step 2: Convert to fraction form
    461,744.20/692,616.30 = 212,912.20/x
  3. Step 3: Cross multiply
    461,744.20x = 692,616.30 × 212,912.20
  4. Step 4: Simplify right side
    461,744.20x = 147,466,460,188.86
  5. Step 5: Solve for x
    x = 147,466,460,188.86/461,744.20
  6. Step 6: Final answer
    x = 319,368.30

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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.