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Finding the Fourth Proportional to 453,513.39, 625,854.16 and 249,587.79

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Solution

The fourth proportional to 453,513.39, 625,854.16 and 249,587.79 is: 344,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,513.39 : 625,854.16 = 249,587.79 : x
  2. Step 2: Convert to fraction form
    453,513.39/625,854.16 = 249,587.79/x
  3. Step 3: Cross multiply
    453,513.39x = 625,854.16 × 249,587.79
  4. Step 4: Simplify right side
    453,513.39x = 156,205,556,656.71
  5. Step 5: Solve for x
    x = 156,205,556,656.71/453,513.39
  6. Step 6: Final answer
    x = 344,434.28

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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.