Home / 291,419.19-436,869.45-113,885.82

Finding the Fourth Proportional to 291,419.19, 436,869.45 and 113,885.82

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Solution

The fourth proportional to 291,419.19, 436,869.45 and 113,885.82 is: 170,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,419.19 : 436,869.45 = 113,885.82 : x
  2. Step 2: Convert to fraction form
    291,419.19/436,869.45 = 113,885.82/x
  3. Step 3: Cross multiply
    291,419.19x = 436,869.45 × 113,885.82
  4. Step 4: Simplify right side
    291,419.19x = 49,753,235,546.20
  5. Step 5: Solve for x
    x = 49,753,235,546.20/291,419.19
  6. Step 6: Final answer
    x = 170,727.38

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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.