Home / 291,488.78-437,233.19-113,871.24

Finding the Fourth Proportional to 291,488.78, 437,233.19 and 113,871.24

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Solution

The fourth proportional to 291,488.78, 437,233.19 and 113,871.24 is: 170,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,488.78 : 437,233.19 = 113,871.24 : x
  2. Step 2: Convert to fraction form
    291,488.78/437,233.19 = 113,871.24/x
  3. Step 3: Cross multiply
    291,488.78x = 437,233.19 × 113,871.24
  4. Step 4: Simplify right side
    291,488.78x = 49,788,284,945.10
  5. Step 5: Solve for x
    x = 49,788,284,945.10/291,488.78
  6. Step 6: Final answer
    x = 170,806.86

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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.