Home / 372,505.82-558,842.03-135,848.50

Finding the Fourth Proportional to 372,505.82, 558,842.03 and 135,848.50

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Solution

The fourth proportional to 372,505.82, 558,842.03 and 135,848.50 is: 203,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,505.82 : 558,842.03 = 135,848.50 : x
  2. Step 2: Convert to fraction form
    372,505.82/558,842.03 = 135,848.50/x
  3. Step 3: Cross multiply
    372,505.82x = 558,842.03 × 135,848.50
  4. Step 4: Simplify right side
    372,505.82x = 75,917,853,438.30
  5. Step 5: Solve for x
    x = 75,917,853,438.30/372,505.82
  6. Step 6: Final answer
    x = 203,803.13

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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.