Home / 279,675.20-385,819.53-189,062.93

Finding the Fourth Proportional to 279,675.20, 385,819.53 and 189,062.93

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Solution

The fourth proportional to 279,675.20, 385,819.53 and 189,062.93 is: 260,817.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,675.20 : 385,819.53 = 189,062.93 : x
  2. Step 2: Convert to fraction form
    279,675.20/385,819.53 = 189,062.93/x
  3. Step 3: Cross multiply
    279,675.20x = 385,819.53 × 189,062.93
  4. Step 4: Simplify right side
    279,675.20x = 72,944,170,793.02
  5. Step 5: Solve for x
    x = 72,944,170,793.02/279,675.20
  6. Step 6: Final answer
    x = 260,817.44

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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.