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Finding the Fourth Proportional to 466,639.62, 700,061.51 and 151,128.42

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Solution

The fourth proportional to 466,639.62, 700,061.51 and 151,128.42 is: 226,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,639.62 : 700,061.51 = 151,128.42 : x
  2. Step 2: Convert to fraction form
    466,639.62/700,061.51 = 151,128.42/x
  3. Step 3: Cross multiply
    466,639.62x = 700,061.51 × 151,128.42
  4. Step 4: Simplify right side
    466,639.62x = 105,799,189,909.11
  5. Step 5: Solve for x
    x = 105,799,189,909.11/466,639.62
  6. Step 6: Final answer
    x = 226,725.69

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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.