Home / 328,914.15-493,402.22-92,255.85

Finding the Fourth Proportional to 328,914.15, 493,402.22 and 92,255.85

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Solution

The fourth proportional to 328,914.15, 493,402.22 and 92,255.85 is: 138,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,914.15 : 493,402.22 = 92,255.85 : x
  2. Step 2: Convert to fraction form
    328,914.15/493,402.22 = 92,255.85/x
  3. Step 3: Cross multiply
    328,914.15x = 493,402.22 × 92,255.85
  4. Step 4: Simplify right side
    328,914.15x = 45,519,240,736.71
  5. Step 5: Solve for x
    x = 45,519,240,736.71/328,914.15
  6. Step 6: Final answer
    x = 138,392.47

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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.