Home / 462,320.30-693,556.35-142,472.22

Finding the Fourth Proportional to 462,320.30, 693,556.35 and 142,472.22

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Solution

The fourth proportional to 462,320.30, 693,556.35 and 142,472.22 is: 213,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,320.30 : 693,556.35 = 142,472.22 : x
  2. Step 2: Convert to fraction form
    462,320.30/693,556.35 = 142,472.22/x
  3. Step 3: Cross multiply
    462,320.30x = 693,556.35 × 142,472.22
  4. Step 4: Simplify right side
    462,320.30x = 98,812,514,613.49
  5. Step 5: Solve for x
    x = 98,812,514,613.49/462,320.30
  6. Step 6: Final answer
    x = 213,731.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.