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Finding the Fourth Proportional to 636,010.64, 954,060.12 and 215,144.24

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Solution

The fourth proportional to 636,010.64, 954,060.12 and 215,144.24 is: 322,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,010.64 : 954,060.12 = 215,144.24 : x
  2. Step 2: Convert to fraction form
    636,010.64/954,060.12 = 215,144.24/x
  3. Step 3: Cross multiply
    636,010.64x = 954,060.12 × 215,144.24
  4. Step 4: Simplify right side
    636,010.64x = 205,260,539,431.71
  5. Step 5: Solve for x
    x = 205,260,539,431.71/636,010.64
  6. Step 6: Final answer
    x = 322,731.30

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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.