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Finding the Fourth Proportional to 453,134.88, 625,341.96 and 249,201.36

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Solution

The fourth proportional to 453,134.88, 625,341.96 and 249,201.36 is: 343,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,134.88 : 625,341.96 = 249,201.36 : x
  2. Step 2: Convert to fraction form
    453,134.88/625,341.96 = 249,201.36/x
  3. Step 3: Cross multiply
    453,134.88x = 625,341.96 × 249,201.36
  4. Step 4: Simplify right side
    453,134.88x = 155,836,066,897.07
  5. Step 5: Solve for x
    x = 155,836,066,897.07/453,134.88
  6. Step 6: Final answer
    x = 343,906.58

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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.