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Finding the Fourth Proportional to 275,220.30, 412,830.45 and 88,250.70

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Solution

The fourth proportional to 275,220.30, 412,830.45 and 88,250.70 is: 132,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,220.30 : 412,830.45 = 88,250.70 : x
  2. Step 2: Convert to fraction form
    275,220.30/412,830.45 = 88,250.70/x
  3. Step 3: Cross multiply
    275,220.30x = 412,830.45 × 88,250.70
  4. Step 4: Simplify right side
    275,220.30x = 36,432,576,193.82
  5. Step 5: Solve for x
    x = 36,432,576,193.82/275,220.30
  6. Step 6: Final answer
    x = 132,376.05

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1.5x scale

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.