Home / 381,972.24-572,471.28-157,075.56

Finding the Fourth Proportional to 381,972.24, 572,471.28 and 157,075.56

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Solution

The fourth proportional to 381,972.24, 572,471.28 and 157,075.56 is: 235,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,972.24 : 572,471.28 = 157,075.56 : x
  2. Step 2: Convert to fraction form
    381,972.24/572,471.28 = 157,075.56/x
  3. Step 3: Cross multiply
    381,972.24x = 572,471.28 × 157,075.56
  4. Step 4: Simplify right side
    381,972.24x = 89,921,246,889.92
  5. Step 5: Solve for x
    x = 89,921,246,889.92/381,972.24
  6. Step 6: Final answer
    x = 235,413.04

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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.