Home / 649,252.20-973,878.30-206,020.20

Finding the Fourth Proportional to 649,252.20, 973,878.30 and 206,020.20

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Solution

The fourth proportional to 649,252.20, 973,878.30 and 206,020.20 is: 309,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,252.20 : 973,878.30 = 206,020.20 : x
  2. Step 2: Convert to fraction form
    649,252.20/973,878.30 = 206,020.20/x
  3. Step 3: Cross multiply
    649,252.20x = 973,878.30 × 206,020.20
  4. Step 4: Simplify right side
    649,252.20x = 200,638,602,141.66
  5. Step 5: Solve for x
    x = 200,638,602,141.66/649,252.20
  6. Step 6: Final answer
    x = 309,030.30

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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.