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Finding the Fourth Proportional to 373,902.60, 560,736.24 and 121,124.44

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Solution

The fourth proportional to 373,902.60, 560,736.24 and 121,124.44 is: 181,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,902.60 : 560,736.24 = 121,124.44 : x
  2. Step 2: Convert to fraction form
    373,902.60/560,736.24 = 121,124.44/x
  3. Step 3: Cross multiply
    373,902.60x = 560,736.24 × 121,124.44
  4. Step 4: Simplify right side
    373,902.60x = 67,918,863,057.71
  5. Step 5: Solve for x
    x = 67,918,863,057.71/373,902.60
  6. Step 6: Final answer
    x = 181,648.54

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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.