Home / 447,292.94-617,250.20-243,338.66

Finding the Fourth Proportional to 447,292.94, 617,250.20 and 243,338.66

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Solution

The fourth proportional to 447,292.94, 617,250.20 and 243,338.66 is: 335,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,292.94 : 617,250.20 = 243,338.66 : x
  2. Step 2: Convert to fraction form
    447,292.94/617,250.20 = 243,338.66/x
  3. Step 3: Cross multiply
    447,292.94x = 617,250.20 × 243,338.66
  4. Step 4: Simplify right side
    447,292.94x = 150,200,836,552.73
  5. Step 5: Solve for x
    x = 150,200,836,552.73/447,292.94
  6. Step 6: Final answer
    x = 335,799.70

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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.