Home / 242,421.41-363,407.61-123,831.20

Finding the Fourth Proportional to 242,421.41, 363,407.61 and 123,831.20

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Solution

The fourth proportional to 242,421.41, 363,407.61 and 123,831.20 is: 185,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,421.41 : 363,407.61 = 123,831.20 : x
  2. Step 2: Convert to fraction form
    242,421.41/363,407.61 = 123,831.20/x
  3. Step 3: Cross multiply
    242,421.41x = 363,407.61 × 123,831.20
  4. Step 4: Simplify right side
    242,421.41x = 45,001,200,435.43
  5. Step 5: Solve for x
    x = 45,001,200,435.43/242,421.41
  6. Step 6: Final answer
    x = 185,632.12

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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.