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Finding the Fourth Proportional to 301,278.26, 415,760.36 and 173,951.12

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Solution

The fourth proportional to 301,278.26, 415,760.36 and 173,951.12 is: 240,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,278.26 : 415,760.36 = 173,951.12 : x
  2. Step 2: Convert to fraction form
    301,278.26/415,760.36 = 173,951.12/x
  3. Step 3: Cross multiply
    301,278.26x = 415,760.36 × 173,951.12
  4. Step 4: Simplify right side
    301,278.26x = 72,321,980,273.60
  5. Step 5: Solve for x
    x = 72,321,980,273.60/301,278.26
  6. Step 6: Final answer
    x = 240,050.44

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1.5x scale

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.