Home / 447,588.12-617,684.50-243,652.20

Finding the Fourth Proportional to 447,588.12, 617,684.50 and 243,652.20

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Solution

The fourth proportional to 447,588.12, 617,684.50 and 243,652.20 is: 336,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,588.12 : 617,684.50 = 243,652.20 : x
  2. Step 2: Convert to fraction form
    447,588.12/617,684.50 = 243,652.20/x
  3. Step 3: Cross multiply
    447,588.12x = 617,684.50 × 243,652.20
  4. Step 4: Simplify right side
    447,588.12x = 150,500,187,330.90
  5. Step 5: Solve for x
    x = 150,500,187,330.90/447,588.12
  6. Step 6: Final answer
    x = 336,247.06

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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.