Home / 297,719.78-448,565.52-269,289.62

Finding the Fourth Proportional to 297,719.78, 448,565.52 and 269,289.62

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Solution

The fourth proportional to 297,719.78, 448,565.52 and 269,289.62 is: 405,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,719.78 : 448,565.52 = 269,289.62 : x
  2. Step 2: Convert to fraction form
    297,719.78/448,565.52 = 269,289.62/x
  3. Step 3: Cross multiply
    297,719.78x = 448,565.52 × 269,289.62
  4. Step 4: Simplify right side
    297,719.78x = 120,794,037,079.45
  5. Step 5: Solve for x
    x = 120,794,037,079.45/297,719.78
  6. Step 6: Final answer
    x = 405,730.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.