Home / 221,432.40-332,148.60-204,325.20

Finding the Fourth Proportional to 221,432.40, 332,148.60 and 204,325.20

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Solution

The fourth proportional to 221,432.40, 332,148.60 and 204,325.20 is: 306,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,432.40 : 332,148.60 = 204,325.20 : x
  2. Step 2: Convert to fraction form
    221,432.40/332,148.60 = 204,325.20/x
  3. Step 3: Cross multiply
    221,432.40x = 332,148.60 × 204,325.20
  4. Step 4: Simplify right side
    221,432.40x = 67,866,329,124.72
  5. Step 5: Solve for x
    x = 67,866,329,124.72/221,432.40
  6. Step 6: Final answer
    x = 306,487.80

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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.