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Finding the Fourth Proportional to 454,689.82, 627,476.54 and 250,748.89

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Solution

The fourth proportional to 454,689.82, 627,476.54 and 250,748.89 is: 346,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,689.82 : 627,476.54 = 250,748.89 : x
  2. Step 2: Convert to fraction form
    454,689.82/627,476.54 = 250,748.89/x
  3. Step 3: Cross multiply
    454,689.82x = 627,476.54 × 250,748.89
  4. Step 4: Simplify right side
    454,689.82x = 157,339,045,906.04
  5. Step 5: Solve for x
    x = 157,339,045,906.04/454,689.82
  6. Step 6: Final answer
    x = 346,036.00

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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.