Home / 278,069.24-416,107.40-240,758.20

Finding the Fourth Proportional to 278,069.24, 416,107.40 and 240,758.20

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Solution

The fourth proportional to 278,069.24, 416,107.40 and 240,758.20 is: 360,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,069.24 : 416,107.40 = 240,758.20 : x
  2. Step 2: Convert to fraction form
    278,069.24/416,107.40 = 240,758.20/x
  3. Step 3: Cross multiply
    278,069.24x = 416,107.40 × 240,758.20
  4. Step 4: Simplify right side
    278,069.24x = 100,181,268,630.68
  5. Step 5: Solve for x
    x = 100,181,268,630.68/278,069.24
  6. Step 6: Final answer
    x = 360,274.54

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1.5x scale

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.