Home / 313,731.06-432,947.67-177,790.88

Finding the Fourth Proportional to 313,731.06, 432,947.67 and 177,790.88

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Solution

The fourth proportional to 313,731.06, 432,947.67 and 177,790.88 is: 245,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,731.06 : 432,947.67 = 177,790.88 : x
  2. Step 2: Convert to fraction form
    313,731.06/432,947.67 = 177,790.88/x
  3. Step 3: Cross multiply
    313,731.06x = 432,947.67 × 177,790.88
  4. Step 4: Simplify right side
    313,731.06x = 76,974,147,658.90
  5. Step 5: Solve for x
    x = 76,974,147,658.90/313,731.06
  6. Step 6: Final answer
    x = 245,350.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.