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Finding the Fourth Proportional to 279,500.67, 385,950.66 and 270,462.54

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Solution

The fourth proportional to 279,500.67, 385,950.66 and 270,462.54 is: 373,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,500.67 : 385,950.66 = 270,462.54 : x
  2. Step 2: Convert to fraction form
    279,500.67/385,950.66 = 270,462.54/x
  3. Step 3: Cross multiply
    279,500.67x = 385,950.66 × 270,462.54
  4. Step 4: Simplify right side
    279,500.67x = 104,385,195,335.84
  5. Step 5: Solve for x
    x = 104,385,195,335.84/279,500.67
  6. Step 6: Final answer
    x = 373,470.29

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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.