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Finding the Fourth Proportional to 613,802.04, 920,840.45 and 187,375.79

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Solution

The fourth proportional to 613,802.04, 920,840.45 and 187,375.79 is: 281,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,802.04 : 920,840.45 = 187,375.79 : x
  2. Step 2: Convert to fraction form
    613,802.04/920,840.45 = 187,375.79/x
  3. Step 3: Cross multiply
    613,802.04x = 920,840.45 × 187,375.79
  4. Step 4: Simplify right side
    613,802.04x = 172,543,201,241.62
  5. Step 5: Solve for x
    x = 172,543,201,241.62/613,802.04
  6. Step 6: Final answer
    x = 281,105.62

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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.