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Finding the Fourth Proportional to 253,647.60, 349,237.02 and 215,327.73

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Solution

The fourth proportional to 253,647.60, 349,237.02 and 215,327.73 is: 296,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,647.60 : 349,237.02 = 215,327.73 : x
  2. Step 2: Convert to fraction form
    253,647.60/349,237.02 = 215,327.73/x
  3. Step 3: Cross multiply
    253,647.60x = 349,237.02 × 215,327.73
  4. Step 4: Simplify right side
    253,647.60x = 75,200,414,748.56
  5. Step 5: Solve for x
    x = 75,200,414,748.56/253,647.60
  6. Step 6: Final answer
    x = 296,475.96

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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.