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Finding the Fourth Proportional to 453,010, 625,154.20 and 249,064.40

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Solution

The fourth proportional to 453,010, 625,154.20 and 249,064.40 is: 343,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,010 : 625,154.20 = 249,064.40 : x
  2. Step 2: Convert to fraction form
    453,010/625,154.20 = 249,064.40/x
  3. Step 3: Cross multiply
    453,010x = 625,154.20 × 249,064.40
  4. Step 4: Simplify right side
    453,010x = 155,703,655,730.48
  5. Step 5: Solve for x
    x = 155,703,655,730.48/453,010
  6. Step 6: Final answer
    x = 343,709.09

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1.5x scale

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.