Home / 309,767.09-464,819.85-120,234.92

Finding the Fourth Proportional to 309,767.09, 464,819.85 and 120,234.92

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Solution

The fourth proportional to 309,767.09, 464,819.85 and 120,234.92 is: 180,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,767.09 : 464,819.85 = 120,234.92 : x
  2. Step 2: Convert to fraction form
    309,767.09/464,819.85 = 120,234.92/x
  3. Step 3: Cross multiply
    309,767.09x = 464,819.85 × 120,234.92
  4. Step 4: Simplify right side
    309,767.09x = 55,887,575,155.06
  5. Step 5: Solve for x
    x = 55,887,575,155.06/309,767.09
  6. Step 6: Final answer
    x = 180,418.06

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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.