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Finding the Fourth Proportional to 454,637, 627,399.10 and 253,433

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Solution

The fourth proportional to 454,637, 627,399.10 and 253,433 is: 349,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,637 : 627,399.10 = 253,433 : x
  2. Step 2: Convert to fraction form
    454,637/627,399.10 = 253,433/x
  3. Step 3: Cross multiply
    454,637x = 627,399.10 × 253,433
  4. Step 4: Simplify right side
    454,637x = 159,003,636,110.30
  5. Step 5: Solve for x
    x = 159,003,636,110.30/454,637
  6. Step 6: Final answer
    x = 349,737.56

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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.