Home / 392,678.06-588,472.12-178,923.58

Finding the Fourth Proportional to 392,678.06, 588,472.12 and 178,923.58

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Solution

The fourth proportional to 392,678.06, 588,472.12 and 178,923.58 is: 268,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,678.06 : 588,472.12 = 178,923.58 : x
  2. Step 2: Convert to fraction form
    392,678.06/588,472.12 = 178,923.58/x
  3. Step 3: Cross multiply
    392,678.06x = 588,472.12 × 178,923.58
  4. Step 4: Simplify right side
    392,678.06x = 105,291,540,503.22
  5. Step 5: Solve for x
    x = 105,291,540,503.22/392,678.06
  6. Step 6: Final answer
    x = 268,137.06

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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.