Home / 204,967.68-307,319.04-80,321.28

Finding the Fourth Proportional to 204,967.68, 307,319.04 and 80,321.28

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Solution

The fourth proportional to 204,967.68, 307,319.04 and 80,321.28 is: 120,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,967.68 : 307,319.04 = 80,321.28 : x
  2. Step 2: Convert to fraction form
    204,967.68/307,319.04 = 80,321.28/x
  3. Step 3: Cross multiply
    204,967.68x = 307,319.04 × 80,321.28
  4. Step 4: Simplify right side
    204,967.68x = 24,684,258,661.17
  5. Step 5: Solve for x
    x = 24,684,258,661.17/204,967.68
  6. Step 6: Final answer
    x = 120,430.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.