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Finding the Fourth Proportional to 372,899.70, 558,975 and 119,994.31

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Solution

The fourth proportional to 372,899.70, 558,975 and 119,994.31 is: 179,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,899.70 : 558,975 = 119,994.31 : x
  2. Step 2: Convert to fraction form
    372,899.70/558,975 = 119,994.31/x
  3. Step 3: Cross multiply
    372,899.70x = 558,975 × 119,994.31
  4. Step 4: Simplify right side
    372,899.70x = 67,073,816,637.38
  5. Step 5: Solve for x
    x = 67,073,816,637.38/372,899.70
  6. Step 6: Final answer
    x = 179,870.93

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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.