Home / 372,291.23-558,325.89-135,578.55

Finding the Fourth Proportional to 372,291.23, 558,325.89 and 135,578.55

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Solution

The fourth proportional to 372,291.23, 558,325.89 and 135,578.55 is: 203,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,291.23 : 558,325.89 = 135,578.55 : x
  2. Step 2: Convert to fraction form
    372,291.23/558,325.89 = 135,578.55/x
  3. Step 3: Cross multiply
    372,291.23x = 558,325.89 × 135,578.55
  4. Step 4: Simplify right side
    372,291.23x = 75,697,014,593.66
  5. Step 5: Solve for x
    x = 75,697,014,593.66/372,291.23
  6. Step 6: Final answer
    x = 203,327.42

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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.