Home / 275,009.06-412,513.92-75,331.17

Finding the Fourth Proportional to 275,009.06, 412,513.92 and 75,331.17

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Solution

The fourth proportional to 275,009.06, 412,513.92 and 75,331.17 is: 112,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,009.06 : 412,513.92 = 75,331.17 : x
  2. Step 2: Convert to fraction form
    275,009.06/412,513.92 = 75,331.17/x
  3. Step 3: Cross multiply
    275,009.06x = 412,513.92 × 75,331.17
  4. Step 4: Simplify right side
    275,009.06x = 31,075,156,234.89
  5. Step 5: Solve for x
    x = 31,075,156,234.89/275,009.06
  6. Step 6: Final answer
    x = 112,996.85

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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.