Home / 398,214.20-597,321.30-148,863.80

Finding the Fourth Proportional to 398,214.20, 597,321.30 and 148,863.80

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Solution

The fourth proportional to 398,214.20, 597,321.30 and 148,863.80 is: 223,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,214.20 : 597,321.30 = 148,863.80 : x
  2. Step 2: Convert to fraction form
    398,214.20/597,321.30 = 148,863.80/x
  3. Step 3: Cross multiply
    398,214.20x = 597,321.30 × 148,863.80
  4. Step 4: Simplify right side
    398,214.20x = 88,919,518,538.94
  5. Step 5: Solve for x
    x = 88,919,518,538.94/398,214.20
  6. Step 6: Final answer
    x = 223,295.70

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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.