Home / 242,421.91-363,408.36-123,831.70

Finding the Fourth Proportional to 242,421.91, 363,408.36 and 123,831.70

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Solution

The fourth proportional to 242,421.91, 363,408.36 and 123,831.70 is: 185,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,421.91 : 363,408.36 = 123,831.70 : x
  2. Step 2: Convert to fraction form
    242,421.91/363,408.36 = 123,831.70/x
  3. Step 3: Cross multiply
    242,421.91x = 363,408.36 × 123,831.70
  4. Step 4: Simplify right side
    242,421.91x = 45,001,475,013.01
  5. Step 5: Solve for x
    x = 45,001,475,013.01/242,421.91
  6. Step 6: Final answer
    x = 185,632.87

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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.