Home / 262,250.20-393,375.30-72,710.20

Finding the Fourth Proportional to 262,250.20, 393,375.30 and 72,710.20

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Solution

The fourth proportional to 262,250.20, 393,375.30 and 72,710.20 is: 109,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,250.20 : 393,375.30 = 72,710.20 : x
  2. Step 2: Convert to fraction form
    262,250.20/393,375.30 = 72,710.20/x
  3. Step 3: Cross multiply
    262,250.20x = 393,375.30 × 72,710.20
  4. Step 4: Simplify right side
    262,250.20x = 28,602,396,738.06
  5. Step 5: Solve for x
    x = 28,602,396,738.06/262,250.20
  6. Step 6: Final answer
    x = 109,065.30

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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.