Home / 284,156.22-392,133.65-156,831.83

Finding the Fourth Proportional to 284,156.22, 392,133.65 and 156,831.83

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Solution

The fourth proportional to 284,156.22, 392,133.65 and 156,831.83 is: 216,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,156.22 : 392,133.65 = 156,831.83 : x
  2. Step 2: Convert to fraction form
    284,156.22/392,133.65 = 156,831.83/x
  3. Step 3: Cross multiply
    284,156.22x = 392,133.65 × 156,831.83
  4. Step 4: Simplify right side
    284,156.22x = 61,499,035,189.25
  5. Step 5: Solve for x
    x = 61,499,035,189.25/284,156.22
  6. Step 6: Final answer
    x = 216,426.85

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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.