Home / 298,732.20-448,098.30-88,372.20

Finding the Fourth Proportional to 298,732.20, 448,098.30 and 88,372.20

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Solution

The fourth proportional to 298,732.20, 448,098.30 and 88,372.20 is: 132,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,732.20 : 448,098.30 = 88,372.20 : x
  2. Step 2: Convert to fraction form
    298,732.20/448,098.30 = 88,372.20/x
  3. Step 3: Cross multiply
    298,732.20x = 448,098.30 × 88,372.20
  4. Step 4: Simplify right side
    298,732.20x = 39,599,432,587.26
  5. Step 5: Solve for x
    x = 39,599,432,587.26/298,732.20
  6. Step 6: Final answer
    x = 132,558.30

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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.