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Finding the Fourth Proportional to 234,762.87, 323,966.88 and 131,395.53

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Solution

The fourth proportional to 234,762.87, 323,966.88 and 131,395.53 is: 181,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,762.87 : 323,966.88 = 131,395.53 : x
  2. Step 2: Convert to fraction form
    234,762.87/323,966.88 = 131,395.53/x
  3. Step 3: Cross multiply
    234,762.87x = 323,966.88 × 131,395.53
  4. Step 4: Simplify right side
    234,762.87x = 42,567,799,900.05
  5. Step 5: Solve for x
    x = 42,567,799,900.05/234,762.87
  6. Step 6: Final answer
    x = 181,322.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.