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Finding the Fourth Proportional to 360,162.68, 496,450.20 and 283,560.44

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Solution

The fourth proportional to 360,162.68, 496,450.20 and 283,560.44 is: 390,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,162.68 : 496,450.20 = 283,560.44 : x
  2. Step 2: Convert to fraction form
    360,162.68/496,450.20 = 283,560.44/x
  3. Step 3: Cross multiply
    360,162.68x = 496,450.20 × 283,560.44
  4. Step 4: Simplify right side
    360,162.68x = 140,773,637,150.09
  5. Step 5: Solve for x
    x = 140,773,637,150.09/360,162.68
  6. Step 6: Final answer
    x = 390,861.26

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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.