Home / 431,352.27-647,316.36-150,869.52

Finding the Fourth Proportional to 431,352.27, 647,316.36 and 150,869.52

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Solution

The fourth proportional to 431,352.27, 647,316.36 and 150,869.52 is: 226,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,352.27 : 647,316.36 = 150,869.52 : x
  2. Step 2: Convert to fraction form
    431,352.27/647,316.36 = 150,869.52/x
  3. Step 3: Cross multiply
    431,352.27x = 647,316.36 × 150,869.52
  4. Step 4: Simplify right side
    431,352.27x = 97,660,308,521.35
  5. Step 5: Solve for x
    x = 97,660,308,521.35/431,352.27
  6. Step 6: Final answer
    x = 226,404.99

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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.