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Finding the Fourth Proportional to 253,539.46, 379,748.58 and 173,387.48

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Solution

The fourth proportional to 253,539.46, 379,748.58 and 173,387.48 is: 259,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,539.46 : 379,748.58 = 173,387.48 : x
  2. Step 2: Convert to fraction form
    253,539.46/379,748.58 = 173,387.48/x
  3. Step 3: Cross multiply
    253,539.46x = 379,748.58 × 173,387.48
  4. Step 4: Simplify right side
    253,539.46x = 65,843,649,319.78
  5. Step 5: Solve for x
    x = 65,843,649,319.78/253,539.46
  6. Step 6: Final answer
    x = 259,697.84

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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.