Home / 447,290.10-617,246.24-243,335.78

Finding the Fourth Proportional to 447,290.10, 617,246.24 and 243,335.78

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Solution

The fourth proportional to 447,290.10, 617,246.24 and 243,335.78 is: 335,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,290.10 : 617,246.24 = 243,335.78 : x
  2. Step 2: Convert to fraction form
    447,290.10/617,246.24 = 243,335.78/x
  3. Step 3: Cross multiply
    447,290.10x = 617,246.24 × 243,335.78
  4. Step 4: Simplify right side
    447,290.10x = 150,198,095,262.47
  5. Step 5: Solve for x
    x = 150,198,095,262.47/447,290.10
  6. Step 6: Final answer
    x = 335,795.71

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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.