Home / 347,997.12-480,213.25-204,729.45

Finding the Fourth Proportional to 347,997.12, 480,213.25 and 204,729.45

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Solution

The fourth proportional to 347,997.12, 480,213.25 and 204,729.45 is: 282,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,997.12 : 480,213.25 = 204,729.45 : x
  2. Step 2: Convert to fraction form
    347,997.12/480,213.25 = 204,729.45/x
  3. Step 3: Cross multiply
    347,997.12x = 480,213.25 × 204,729.45
  4. Step 4: Simplify right side
    347,997.12x = 98,313,794,555.21
  5. Step 5: Solve for x
    x = 98,313,794,555.21/347,997.12
  6. Step 6: Final answer
    x = 282,513.24

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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.