Home / 231,831.80-347,661.30-161,502.20

Finding the Fourth Proportional to 231,831.80, 347,661.30 and 161,502.20

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Solution

The fourth proportional to 231,831.80, 347,661.30 and 161,502.20 is: 242,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,831.80 : 347,661.30 = 161,502.20 : x
  2. Step 2: Convert to fraction form
    231,831.80/347,661.30 = 161,502.20/x
  3. Step 3: Cross multiply
    231,831.80x = 347,661.30 × 161,502.20
  4. Step 4: Simplify right side
    231,831.80x = 56,148,064,804.86
  5. Step 5: Solve for x
    x = 56,148,064,804.86/231,831.80
  6. Step 6: Final answer
    x = 242,193.11

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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.