Home / 298,632.20-447,948.30-88,272.20

Finding the Fourth Proportional to 298,632.20, 447,948.30 and 88,272.20

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Solution

The fourth proportional to 298,632.20, 447,948.30 and 88,272.20 is: 132,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,632.20 : 447,948.30 = 88,272.20 : x
  2. Step 2: Convert to fraction form
    298,632.20/447,948.30 = 88,272.20/x
  3. Step 3: Cross multiply
    298,632.20x = 447,948.30 × 88,272.20
  4. Step 4: Simplify right side
    298,632.20x = 39,541,381,927.26
  5. Step 5: Solve for x
    x = 39,541,381,927.26/298,632.20
  6. Step 6: Final answer
    x = 132,408.30

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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.