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Finding the Fourth Proportional to 488,594.76, 732,902.26 and 133,606.59

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Solution

The fourth proportional to 488,594.76, 732,902.26 and 133,606.59 is: 200,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,594.76 : 732,902.26 = 133,606.59 : x
  2. Step 2: Convert to fraction form
    488,594.76/732,902.26 = 133,606.59/x
  3. Step 3: Cross multiply
    488,594.76x = 732,902.26 × 133,606.59
  4. Step 4: Simplify right side
    488,594.76x = 97,920,571,761.89
  5. Step 5: Solve for x
    x = 97,920,571,761.89/488,594.76
  6. Step 6: Final answer
    x = 200,412.65

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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.