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Finding the Fourth Proportional to 488,012.08, 731,996.52 and 133,026.04

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Solution

The fourth proportional to 488,012.08, 731,996.52 and 133,026.04 is: 199,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,012.08 : 731,996.52 = 133,026.04 : x
  2. Step 2: Convert to fraction form
    488,012.08/731,996.52 = 133,026.04/x
  3. Step 3: Cross multiply
    488,012.08x = 731,996.52 × 133,026.04
  4. Step 4: Simplify right side
    488,012.08x = 97,374,598,349.38
  5. Step 5: Solve for x
    x = 97,374,598,349.38/488,012.08
  6. Step 6: Final answer
    x = 199,533.17

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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.