Home / 242,010.47-362,434.32-135,131.78

Finding the Fourth Proportional to 242,010.47, 362,434.32 and 135,131.78

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Solution

The fourth proportional to 242,010.47, 362,434.32 and 135,131.78 is: 202,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,010.47 : 362,434.32 = 135,131.78 : x
  2. Step 2: Convert to fraction form
    242,010.47/362,434.32 = 135,131.78/x
  3. Step 3: Cross multiply
    242,010.47x = 362,434.32 × 135,131.78
  4. Step 4: Simplify right side
    242,010.47x = 48,976,392,982.52
  5. Step 5: Solve for x
    x = 48,976,392,982.52/242,010.47
  6. Step 6: Final answer
    x = 202,373.04

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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.