Home / 328,865.10-493,329-92,207.10

Finding the Fourth Proportional to 328,865.10, 493,329 and 92,207.10

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Solution

The fourth proportional to 328,865.10, 493,329 and 92,207.10 is: 138,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,865.10 : 493,329 = 92,207.10 : x
  2. Step 2: Convert to fraction form
    328,865.10/493,329 = 92,207.10/x
  3. Step 3: Cross multiply
    328,865.10x = 493,329 × 92,207.10
  4. Step 4: Simplify right side
    328,865.10x = 45,488,436,435.90
  5. Step 5: Solve for x
    x = 45,488,436,435.90/328,865.10
  6. Step 6: Final answer
    x = 138,319.44

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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.