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Finding the Fourth Proportional to 488,363.09, 732,516.26 and 146,799.14

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Solution

The fourth proportional to 488,363.09, 732,516.26 and 146,799.14 is: 220,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,363.09 : 732,516.26 = 146,799.14 : x
  2. Step 2: Convert to fraction form
    488,363.09/732,516.26 = 146,799.14/x
  3. Step 3: Cross multiply
    488,363.09x = 732,516.26 × 146,799.14
  4. Step 4: Simplify right side
    488,363.09x = 107,532,752,607.44
  5. Step 5: Solve for x
    x = 107,532,752,607.44/488,363.09
  6. Step 6: Final answer
    x = 220,190.17

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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.