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Finding the Fourth Proportional to 636,247.26, 954,345.97 and 215,523.13

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Solution

The fourth proportional to 636,247.26, 954,345.97 and 215,523.13 is: 323,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,247.26 : 954,345.97 = 215,523.13 : x
  2. Step 2: Convert to fraction form
    636,247.26/954,345.97 = 215,523.13/x
  3. Step 3: Cross multiply
    636,247.26x = 954,345.97 × 215,523.13
  4. Step 4: Simplify right side
    636,247.26x = 205,683,630,557.29
  5. Step 5: Solve for x
    x = 205,683,630,557.29/636,247.26
  6. Step 6: Final answer
    x = 323,276.25

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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.