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Finding the Fourth Proportional to 463,126.39, 694,592.38 and 130,624.63

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Solution

The fourth proportional to 463,126.39, 694,592.38 and 130,624.63 is: 195,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,126.39 : 694,592.38 = 130,624.63 : x
  2. Step 2: Convert to fraction form
    463,126.39/694,592.38 = 130,624.63/x
  3. Step 3: Cross multiply
    463,126.39x = 694,592.38 × 130,624.63
  4. Step 4: Simplify right side
    463,126.39x = 90,730,872,638.32
  5. Step 5: Solve for x
    x = 90,730,872,638.32/463,126.39
  6. Step 6: Final answer
    x = 195,909.53

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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.