Home / 310,831.16-428,947.65-183,514.95

Finding the Fourth Proportional to 310,831.16, 428,947.65 and 183,514.95

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Solution

The fourth proportional to 310,831.16, 428,947.65 and 183,514.95 is: 253,251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,831.16 : 428,947.65 = 183,514.95 : x
  2. Step 2: Convert to fraction form
    310,831.16/428,947.65 = 183,514.95/x
  3. Step 3: Cross multiply
    310,831.16x = 428,947.65 × 183,514.95
  4. Step 4: Simplify right side
    310,831.16x = 78,718,306,542.37
  5. Step 5: Solve for x
    x = 78,718,306,542.37/310,831.16
  6. Step 6: Final answer
    x = 253,251.02

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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.