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Finding the Fourth Proportional to 454,175.43, 626,732.01 and 272,895

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Solution

The fourth proportional to 454,175.43, 626,732.01 and 272,895 is: 376,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,175.43 : 626,732.01 = 272,895 : x
  2. Step 2: Convert to fraction form
    454,175.43/626,732.01 = 272,895/x
  3. Step 3: Cross multiply
    454,175.43x = 626,732.01 × 272,895
  4. Step 4: Simplify right side
    454,175.43x = 171,032,031,868.95
  5. Step 5: Solve for x
    x = 171,032,031,868.95/454,175.43
  6. Step 6: Final answer
    x = 376,577.02

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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.