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Finding the Fourth Proportional to 447,301.80, 617,281.38 and 243,353.88

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Solution

The fourth proportional to 447,301.80, 617,281.38 and 243,353.88 is: 335,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,301.80 : 617,281.38 = 243,353.88 : x
  2. Step 2: Convert to fraction form
    447,301.80/617,281.38 = 243,353.88/x
  3. Step 3: Cross multiply
    447,301.80x = 617,281.38 × 243,353.88
  4. Step 4: Simplify right side
    447,301.80x = 150,217,818,874.75
  5. Step 5: Solve for x
    x = 150,217,818,874.75/447,301.80
  6. Step 6: Final answer
    x = 335,831.02

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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.