Home / 291,134.57-436,442.13-113,600.30

Finding the Fourth Proportional to 291,134.57, 436,442.13 and 113,600.30

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Solution

The fourth proportional to 291,134.57, 436,442.13 and 113,600.30 is: 170,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,134.57 : 436,442.13 = 113,600.30 : x
  2. Step 2: Convert to fraction form
    291,134.57/436,442.13 = 113,600.30/x
  3. Step 3: Cross multiply
    291,134.57x = 436,442.13 × 113,600.30
  4. Step 4: Simplify right side
    291,134.57x = 49,579,954,718.43
  5. Step 5: Solve for x
    x = 49,579,954,718.43/291,134.57
  6. Step 6: Final answer
    x = 170,299.10

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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.