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Finding the Fourth Proportional to 453,401.49, 625,694.02 and 249,448.02

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Solution

The fourth proportional to 453,401.49, 625,694.02 and 249,448.02 is: 344,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,401.49 : 625,694.02 = 249,448.02 : x
  2. Step 2: Convert to fraction form
    453,401.49/625,694.02 = 249,448.02/x
  3. Step 3: Cross multiply
    453,401.49x = 625,694.02 × 249,448.02
  4. Step 4: Simplify right side
    453,401.49x = 156,078,134,414.84
  5. Step 5: Solve for x
    x = 156,078,134,414.84/453,401.49
  6. Step 6: Final answer
    x = 344,238.25

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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.