Home / 454,979.18-627,869.45-251,042.78

Finding the Fourth Proportional to 454,979.18, 627,869.45 and 251,042.78

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Solution

The fourth proportional to 454,979.18, 627,869.45 and 251,042.78 is: 346,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,979.18 : 627,869.45 = 251,042.78 : x
  2. Step 2: Convert to fraction form
    454,979.18/627,869.45 = 251,042.78/x
  3. Step 3: Cross multiply
    454,979.18x = 627,869.45 × 251,042.78
  4. Step 4: Simplify right side
    454,979.18x = 157,622,094,402.35
  5. Step 5: Solve for x
    x = 157,622,094,402.35/454,979.18
  6. Step 6: Final answer
    x = 346,438.04

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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.