Home / 278,125.06-416,154.21-165,866.35

Finding the Fourth Proportional to 278,125.06, 416,154.21 and 165,866.35

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Solution

The fourth proportional to 278,125.06, 416,154.21 and 165,866.35 is: 248,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,125.06 : 416,154.21 = 165,866.35 : x
  2. Step 2: Convert to fraction form
    278,125.06/416,154.21 = 165,866.35/x
  3. Step 3: Cross multiply
    278,125.06x = 416,154.21 × 165,866.35
  4. Step 4: Simplify right side
    278,125.06x = 69,025,979,849.83
  5. Step 5: Solve for x
    x = 69,025,979,849.83/278,125.06
  6. Step 6: Final answer
    x = 248,183.24

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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.