Home / 245,293.10-367,939.65-76,826.60

Finding the Fourth Proportional to 245,293.10, 367,939.65 and 76,826.60

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Solution

The fourth proportional to 245,293.10, 367,939.65 and 76,826.60 is: 115,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,293.10 : 367,939.65 = 76,826.60 : x
  2. Step 2: Convert to fraction form
    245,293.10/367,939.65 = 76,826.60/x
  3. Step 3: Cross multiply
    245,293.10x = 367,939.65 × 76,826.60
  4. Step 4: Simplify right side
    245,293.10x = 28,267,551,930.56
  5. Step 5: Solve for x
    x = 28,267,551,930.56/245,293.10
  6. Step 6: Final answer
    x = 115,239.90

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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.