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Finding the Fourth Proportional to 636,013.64, 954,064.62 and 215,147.24

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Solution

The fourth proportional to 636,013.64, 954,064.62 and 215,147.24 is: 322,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,013.64 : 954,064.62 = 215,147.24 : x
  2. Step 2: Convert to fraction form
    636,013.64/954,064.62 = 215,147.24/x
  3. Step 3: Cross multiply
    636,013.64x = 954,064.62 × 215,147.24
  4. Step 4: Simplify right side
    636,013.64x = 205,264,369,774.65
  5. Step 5: Solve for x
    x = 205,264,369,774.65/636,013.64
  6. Step 6: Final answer
    x = 322,735.80

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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.