Home / 278,748.42-417,990.96-108,050.10

Finding the Fourth Proportional to 278,748.42, 417,990.96 and 108,050.10

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Solution

The fourth proportional to 278,748.42, 417,990.96 and 108,050.10 is: 162,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,748.42 : 417,990.96 = 108,050.10 : x
  2. Step 2: Convert to fraction form
    278,748.42/417,990.96 = 108,050.10/x
  3. Step 3: Cross multiply
    278,748.42x = 417,990.96 × 108,050.10
  4. Step 4: Simplify right side
    278,748.42x = 45,163,965,027.10
  5. Step 5: Solve for x
    x = 45,163,965,027.10/278,748.42
  6. Step 6: Final answer
    x = 162,024.11

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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.