Home / 185,319.78-278,003.25-50,386.65

Finding the Fourth Proportional to 185,319.78, 278,003.25 and 50,386.65

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Solution

The fourth proportional to 185,319.78, 278,003.25 and 50,386.65 is: 75,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,319.78 : 278,003.25 = 50,386.65 : x
  2. Step 2: Convert to fraction form
    185,319.78/278,003.25 = 50,386.65/x
  3. Step 3: Cross multiply
    185,319.78x = 278,003.25 × 50,386.65
  4. Step 4: Simplify right side
    185,319.78x = 14,007,652,456.61
  5. Step 5: Solve for x
    x = 14,007,652,456.61/185,319.78
  6. Step 6: Final answer
    x = 75,586.39

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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.