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Finding the Fourth Proportional to 193,750.20, 290,625.30 and 170,422.20

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Solution

The fourth proportional to 193,750.20, 290,625.30 and 170,422.20 is: 255,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,750.20 : 290,625.30 = 170,422.20 : x
  2. Step 2: Convert to fraction form
    193,750.20/290,625.30 = 170,422.20/x
  3. Step 3: Cross multiply
    193,750.20x = 290,625.30 × 170,422.20
  4. Step 4: Simplify right side
    193,750.20x = 49,529,003,001.66
  5. Step 5: Solve for x
    x = 49,529,003,001.66/193,750.20
  6. Step 6: Final answer
    x = 255,633.30

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1.5x scale

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.