Home / 313,862.20-433,120.70-177,908.64

Finding the Fourth Proportional to 313,862.20, 433,120.70 and 177,908.64

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Solution

The fourth proportional to 313,862.20, 433,120.70 and 177,908.64 is: 245,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,862.20 : 433,120.70 = 177,908.64 : x
  2. Step 2: Convert to fraction form
    313,862.20/433,120.70 = 177,908.64/x
  3. Step 3: Cross multiply
    313,862.20x = 433,120.70 × 177,908.64
  4. Step 4: Simplify right side
    313,862.20x = 77,055,914,692.85
  5. Step 5: Solve for x
    x = 77,055,914,692.85/313,862.20
  6. Step 6: Final answer
    x = 245,508.74

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1.5x scale

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.