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Finding the Fourth Proportional to 356,324.64, 534,468.24 and 119,672.16

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Solution

The fourth proportional to 356,324.64, 534,468.24 and 119,672.16 is: 179,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,324.64 : 534,468.24 = 119,672.16 : x
  2. Step 2: Convert to fraction form
    356,324.64/534,468.24 = 119,672.16/x
  3. Step 3: Cross multiply
    356,324.64x = 534,468.24 × 119,672.16
  4. Step 4: Simplify right side
    356,324.64x = 63,960,968,732.20
  5. Step 5: Solve for x
    x = 63,960,968,732.20/356,324.64
  6. Step 6: Final answer
    x = 179,501.95

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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.