Home / 372,134.40-558,331.20-161,923.20

Finding the Fourth Proportional to 372,134.40, 558,331.20 and 161,923.20

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Solution

The fourth proportional to 372,134.40, 558,331.20 and 161,923.20 is: 242,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,134.40 : 558,331.20 = 161,923.20 : x
  2. Step 2: Convert to fraction form
    372,134.40/558,331.20 = 161,923.20/x
  3. Step 3: Cross multiply
    372,134.40x = 558,331.20 × 161,923.20
  4. Step 4: Simplify right side
    372,134.40x = 90,406,774,563.84
  5. Step 5: Solve for x
    x = 90,406,774,563.84/372,134.40
  6. Step 6: Final answer
    x = 242,941.19

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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.