Home / 278,170.09-383,874.93-150,845.65

Finding the Fourth Proportional to 278,170.09, 383,874.93 and 150,845.65

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Solution

The fourth proportional to 278,170.09, 383,874.93 and 150,845.65 is: 208,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,170.09 : 383,874.93 = 150,845.65 : x
  2. Step 2: Convert to fraction form
    278,170.09/383,874.93 = 150,845.65/x
  3. Step 3: Cross multiply
    278,170.09x = 383,874.93 × 150,845.65
  4. Step 4: Simplify right side
    278,170.09x = 57,905,862,374.87
  5. Step 5: Solve for x
    x = 57,905,862,374.87/278,170.09
  6. Step 6: Final answer
    x = 208,167.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.