Home / 203,304.86-280,562.36-112,662.35

Finding the Fourth Proportional to 203,304.86, 280,562.36 and 112,662.35

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Solution

The fourth proportional to 203,304.86, 280,562.36 and 112,662.35 is: 155,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,304.86 : 280,562.36 = 112,662.35 : x
  2. Step 2: Convert to fraction form
    203,304.86/280,562.36 = 112,662.35/x
  3. Step 3: Cross multiply
    203,304.86x = 280,562.36 × 112,662.35
  4. Step 4: Simplify right side
    203,304.86x = 31,608,814,799.15
  5. Step 5: Solve for x
    x = 31,608,814,799.15/203,304.86
  6. Step 6: Final answer
    x = 155,474.96

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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.