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Finding the Fourth Proportional to 242,612.99, 334,801.46 and 135,180.71

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Solution

The fourth proportional to 242,612.99, 334,801.46 and 135,180.71 is: 186,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,612.99 : 334,801.46 = 135,180.71 : x
  2. Step 2: Convert to fraction form
    242,612.99/334,801.46 = 135,180.71/x
  3. Step 3: Cross multiply
    242,612.99x = 334,801.46 × 135,180.71
  4. Step 4: Simplify right side
    242,612.99x = 45,258,696,721.93
  5. Step 5: Solve for x
    x = 45,258,696,721.93/242,612.99
  6. Step 6: Final answer
    x = 186,546.89

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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.