Home / 242,387.20-334,407.76-140,356.96

Finding the Fourth Proportional to 242,387.20, 334,407.76 and 140,356.96

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Solution

The fourth proportional to 242,387.20, 334,407.76 and 140,356.96 is: 193,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,387.20 : 334,407.76 = 140,356.96 : x
  2. Step 2: Convert to fraction form
    242,387.20/334,407.76 = 140,356.96/x
  3. Step 3: Cross multiply
    242,387.20x = 334,407.76 × 140,356.96
  4. Step 4: Simplify right side
    242,387.20x = 46,936,456,594.01
  5. Step 5: Solve for x
    x = 46,936,456,594.01/242,387.20
  6. Step 6: Final answer
    x = 193,642.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.