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Finding the Fourth Proportional to 275,006.56, 412,510.17 and 75,328.67

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Solution

The fourth proportional to 275,006.56, 412,510.17 and 75,328.67 is: 112,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,006.56 : 412,510.17 = 75,328.67 : x
  2. Step 2: Convert to fraction form
    275,006.56/412,510.17 = 75,328.67/x
  3. Step 3: Cross multiply
    275,006.56x = 412,510.17 × 75,328.67
  4. Step 4: Simplify right side
    275,006.56x = 31,073,842,467.57
  5. Step 5: Solve for x
    x = 31,073,842,467.57/275,006.56
  6. Step 6: Final answer
    x = 112,993.10

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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.