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Finding the Fourth Proportional to 454,099.28, 626,676.45 and 252,895.28

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Solution

The fourth proportional to 454,099.28, 626,676.45 and 252,895.28 is: 349,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,099.28 : 626,676.45 = 252,895.28 : x
  2. Step 2: Convert to fraction form
    454,099.28/626,676.45 = 252,895.28/x
  3. Step 3: Cross multiply
    454,099.28x = 626,676.45 × 252,895.28
  4. Step 4: Simplify right side
    454,099.28x = 158,483,516,292.16
  5. Step 5: Solve for x
    x = 158,483,516,292.16/454,099.28
  6. Step 6: Final answer
    x = 349,006.31

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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.