Home / 203,543.04-280,844.80-196,830.72

Finding the Fourth Proportional to 203,543.04, 280,844.80 and 196,830.72

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Solution

The fourth proportional to 203,543.04, 280,844.80 and 196,830.72 is: 271,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,543.04 : 280,844.80 = 196,830.72 : x
  2. Step 2: Convert to fraction form
    203,543.04/280,844.80 = 196,830.72/x
  3. Step 3: Cross multiply
    203,543.04x = 280,844.80 × 196,830.72
  4. Step 4: Simplify right side
    203,543.04x = 55,278,884,192.26
  5. Step 5: Solve for x
    x = 55,278,884,192.26/203,543.04
  6. Step 6: Final answer
    x = 271,583.27

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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.