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Finding the Fourth Proportional to 203,329.01, 280,526.82 and 122,725.91

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Solution

The fourth proportional to 203,329.01, 280,526.82 and 122,725.91 is: 169,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,329.01 : 280,526.82 = 122,725.91 : x
  2. Step 2: Convert to fraction form
    203,329.01/280,526.82 = 122,725.91/x
  3. Step 3: Cross multiply
    203,329.01x = 280,526.82 × 122,725.91
  4. Step 4: Simplify right side
    203,329.01x = 34,427,909,263.91
  5. Step 5: Solve for x
    x = 34,427,909,263.91/203,329.01
  6. Step 6: Final answer
    x = 169,321.19

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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.