Home / 447,291.96-617,247.09-243,337.20

Finding the Fourth Proportional to 447,291.96, 617,247.09 and 243,337.20

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Solution

The fourth proportional to 447,291.96, 617,247.09 and 243,337.20 is: 335,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,291.96 : 617,247.09 = 243,337.20 : x
  2. Step 2: Convert to fraction form
    447,291.96/617,247.09 = 243,337.20/x
  3. Step 3: Cross multiply
    447,291.96x = 617,247.09 × 243,337.20
  4. Step 4: Simplify right side
    447,291.96x = 150,199,178,588.75
  5. Step 5: Solve for x
    x = 150,199,178,588.75/447,291.96
  6. Step 6: Final answer
    x = 335,796.73

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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.