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Finding the Fourth Proportional to 456,763.62, 684,145.08 and 231,737.52

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Solution

The fourth proportional to 456,763.62, 684,145.08 and 231,737.52 is: 347,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,763.62 : 684,145.08 = 231,737.52 : x
  2. Step 2: Convert to fraction form
    456,763.62/684,145.08 = 231,737.52/x
  3. Step 3: Cross multiply
    456,763.62x = 684,145.08 × 231,737.52
  4. Step 4: Simplify right side
    456,763.62x = 158,542,084,159.40
  5. Step 5: Solve for x
    x = 158,542,084,159.40/456,763.62
  6. Step 6: Final answer
    x = 347,098.76

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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.