Home / 278,126.03-417,205.19-107,348.69

Finding the Fourth Proportional to 278,126.03, 417,205.19 and 107,348.69

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Solution

The fourth proportional to 278,126.03, 417,205.19 and 107,348.69 is: 161,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,126.03 : 417,205.19 = 107,348.69 : x
  2. Step 2: Convert to fraction form
    278,126.03/417,205.19 = 107,348.69/x
  3. Step 3: Cross multiply
    278,126.03x = 417,205.19 × 107,348.69
  4. Step 4: Simplify right side
    278,126.03x = 44,786,430,532.99
  5. Step 5: Solve for x
    x = 44,786,430,532.99/278,126.03
  6. Step 6: Final answer
    x = 161,029.27

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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.