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Finding the Fourth Proportional to 482,073.90, 722,592.45 and 182,438.70

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Solution

The fourth proportional to 482,073.90, 722,592.45 and 182,438.70 is: 273,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,073.90 : 722,592.45 = 182,438.70 : x
  2. Step 2: Convert to fraction form
    482,073.90/722,592.45 = 182,438.70/x
  3. Step 3: Cross multiply
    482,073.90x = 722,592.45 × 182,438.70
  4. Step 4: Simplify right side
    482,073.90x = 131,828,827,207.82
  5. Step 5: Solve for x
    x = 131,828,827,207.82/482,073.90
  6. Step 6: Final answer
    x = 273,461.86

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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.