Home / 291,229.06-436,665.19-113,528.47

Finding the Fourth Proportional to 291,229.06, 436,665.19 and 113,528.47

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Solution

The fourth proportional to 291,229.06, 436,665.19 and 113,528.47 is: 170,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,229.06 : 436,665.19 = 113,528.47 : x
  2. Step 2: Convert to fraction form
    291,229.06/436,665.19 = 113,528.47/x
  3. Step 3: Cross multiply
    291,229.06x = 436,665.19 × 113,528.47
  4. Step 4: Simplify right side
    291,229.06x = 49,573,930,922.96
  5. Step 5: Solve for x
    x = 49,573,930,922.96/291,229.06
  6. Step 6: Final answer
    x = 170,223.16

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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.