Home / 838,229.66-1,257,332.19-207,143.48

Finding the Fourth Proportional to 838,229.66, 1,257,332.19 and 207,143.48

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Solution

The fourth proportional to 838,229.66, 1,257,332.19 and 207,143.48 is: 310,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,229.66 : 1,257,332.19 = 207,143.48 : x
  2. Step 2: Convert to fraction form
    838,229.66/1,257,332.19 = 207,143.48/x
  3. Step 3: Cross multiply
    838,229.66x = 1,257,332.19 × 207,143.48
  4. Step 4: Simplify right side
    838,229.66x = 260,448,165,352.62
  5. Step 5: Solve for x
    x = 260,448,165,352.62/838,229.66
  6. Step 6: Final answer
    x = 310,712.18

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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.