Home / 447,302.30-617,282.07-243,354.38

Finding the Fourth Proportional to 447,302.30, 617,282.07 and 243,354.38

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Solution

The fourth proportional to 447,302.30, 617,282.07 and 243,354.38 is: 335,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,302.30 : 617,282.07 = 243,354.38 : x
  2. Step 2: Convert to fraction form
    447,302.30/617,282.07 = 243,354.38/x
  3. Step 3: Cross multiply
    447,302.30x = 617,282.07 × 243,354.38
  4. Step 4: Simplify right side
    447,302.30x = 150,218,295,429.97
  5. Step 5: Solve for x
    x = 150,218,295,429.97/447,302.30
  6. Step 6: Final answer
    x = 335,831.71

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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.