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Finding the Fourth Proportional to 242,305.80, 334,374.52 and 134,873.04

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Solution

The fourth proportional to 242,305.80, 334,374.52 and 134,873.04 is: 186,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,305.80 : 334,374.52 = 134,873.04 : x
  2. Step 2: Convert to fraction form
    242,305.80/334,374.52 = 134,873.04/x
  3. Step 3: Cross multiply
    242,305.80x = 334,374.52 × 134,873.04
  4. Step 4: Simplify right side
    242,305.80x = 45,098,108,010.94
  5. Step 5: Solve for x
    x = 45,098,108,010.94/242,305.80
  6. Step 6: Final answer
    x = 186,120.63

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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.