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Finding the Fourth Proportional to 332,935.46, 499,758.57 and 143,489.32

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Solution

The fourth proportional to 332,935.46, 499,758.57 and 143,489.32 is: 215,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,935.46 : 499,758.57 = 143,489.32 : x
  2. Step 2: Convert to fraction form
    332,935.46/499,758.57 = 143,489.32/x
  3. Step 3: Cross multiply
    332,935.46x = 499,758.57 × 143,489.32
  4. Step 4: Simplify right side
    332,935.46x = 71,710,014,157.23
  5. Step 5: Solve for x
    x = 71,710,014,157.23/332,935.46
  6. Step 6: Final answer
    x = 215,387.14

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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.