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Finding the Fourth Proportional to 242,676.73, 334,894.40 and 135,244.61

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Solution

The fourth proportional to 242,676.73, 334,894.40 and 135,244.61 is: 186,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,676.73 : 334,894.40 = 135,244.61 : x
  2. Step 2: Convert to fraction form
    242,676.73/334,894.40 = 135,244.61/x
  3. Step 3: Cross multiply
    242,676.73x = 334,894.40 × 135,244.61
  4. Step 4: Simplify right side
    242,676.73x = 45,292,662,519.18
  5. Step 5: Solve for x
    x = 45,292,662,519.18/242,676.73
  6. Step 6: Final answer
    x = 186,637.85

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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.