Home / 272,332.20-408,831.10-154,085.80

Finding the Fourth Proportional to 272,332.20, 408,831.10 and 154,085.80

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Solution

The fourth proportional to 272,332.20, 408,831.10 and 154,085.80 is: 231,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,332.20 : 408,831.10 = 154,085.80 : x
  2. Step 2: Convert to fraction form
    272,332.20/408,831.10 = 154,085.80/x
  3. Step 3: Cross multiply
    272,332.20x = 408,831.10 × 154,085.80
  4. Step 4: Simplify right side
    272,332.20x = 62,995,067,108.38
  5. Step 5: Solve for x
    x = 62,995,067,108.38/272,332.20
  6. Step 6: Final answer
    x = 231,317.00

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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.