Home / 269,831.02-372,410.56-156,719.38

Finding the Fourth Proportional to 269,831.02, 372,410.56 and 156,719.38

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Solution

The fourth proportional to 269,831.02, 372,410.56 and 156,719.38 is: 216,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,831.02 : 372,410.56 = 156,719.38 : x
  2. Step 2: Convert to fraction form
    269,831.02/372,410.56 = 156,719.38/x
  3. Step 3: Cross multiply
    269,831.02x = 372,410.56 × 156,719.38
  4. Step 4: Simplify right side
    269,831.02x = 58,363,950,206.60
  5. Step 5: Solve for x
    x = 58,363,950,206.60/269,831.02
  6. Step 6: Final answer
    x = 216,298.15

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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.