Home / 392,310.90-588,378.77-181,921.50

Finding the Fourth Proportional to 392,310.90, 588,378.77 and 181,921.50

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Solution

The fourth proportional to 392,310.90, 588,378.77 and 181,921.50 is: 272,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,310.90 : 588,378.77 = 181,921.50 : x
  2. Step 2: Convert to fraction form
    392,310.90/588,378.77 = 181,921.50/x
  3. Step 3: Cross multiply
    392,310.90x = 588,378.77 × 181,921.50
  4. Step 4: Simplify right side
    392,310.90x = 107,038,745,464.66
  5. Step 5: Solve for x
    x = 107,038,745,464.66/392,310.90
  6. Step 6: Final answer
    x = 272,841.63

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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.