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Finding the Fourth Proportional to 374,473.58, 561,654.99 and 137,760.89

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Solution

The fourth proportional to 374,473.58, 561,654.99 and 137,760.89 is: 206,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,473.58 : 561,654.99 = 137,760.89 : x
  2. Step 2: Convert to fraction form
    374,473.58/561,654.99 = 137,760.89/x
  3. Step 3: Cross multiply
    374,473.58x = 561,654.99 × 137,760.89
  4. Step 4: Simplify right side
    374,473.58x = 77,374,088,487.07
  5. Step 5: Solve for x
    x = 77,374,088,487.07/374,473.58
  6. Step 6: Final answer
    x = 206,620.96

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1.5x scale

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.