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Finding the Fourth Proportional to 453,167.84, 625,359.11 and 249,218.73

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Solution

The fourth proportional to 453,167.84, 625,359.11 and 249,218.73 is: 343,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,167.84 : 625,359.11 = 249,218.73 : x
  2. Step 2: Convert to fraction form
    453,167.84/625,359.11 = 249,218.73/x
  3. Step 3: Cross multiply
    453,167.84x = 625,359.11 × 249,218.73
  4. Step 4: Simplify right side
    453,167.84x = 155,851,201,942.04
  5. Step 5: Solve for x
    x = 155,851,201,942.04/453,167.84
  6. Step 6: Final answer
    x = 343,914.97

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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.