Home / 220,516.80-329,997.60-153,643.20

Finding the Fourth Proportional to 220,516.80, 329,997.60 and 153,643.20

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Solution

The fourth proportional to 220,516.80, 329,997.60 and 153,643.20 is: 229,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,516.80 : 329,997.60 = 153,643.20 : x
  2. Step 2: Convert to fraction form
    220,516.80/329,997.60 = 153,643.20/x
  3. Step 3: Cross multiply
    220,516.80x = 329,997.60 × 153,643.20
  4. Step 4: Simplify right side
    220,516.80x = 50,701,887,256.32
  5. Step 5: Solve for x
    x = 50,701,887,256.32/220,516.80
  6. Step 6: Final answer
    x = 229,923.01

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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.