Home / 372,110.40-558,295.20-161,899.20

Finding the Fourth Proportional to 372,110.40, 558,295.20 and 161,899.20

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Solution

The fourth proportional to 372,110.40, 558,295.20 and 161,899.20 is: 242,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,110.40 : 558,295.20 = 161,899.20 : x
  2. Step 2: Convert to fraction form
    372,110.40/558,295.20 = 161,899.20/x
  3. Step 3: Cross multiply
    372,110.40x = 558,295.20 × 161,899.20
  4. Step 4: Simplify right side
    372,110.40x = 90,387,546,243.84
  5. Step 5: Solve for x
    x = 90,387,546,243.84/372,110.40
  6. Step 6: Final answer
    x = 242,905.19

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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.