Home / 278,065.24-416,101.40-240,754.20

Finding the Fourth Proportional to 278,065.24, 416,101.40 and 240,754.20

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Solution

The fourth proportional to 278,065.24, 416,101.40 and 240,754.20 is: 360,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,065.24 : 416,101.40 = 240,754.20 : x
  2. Step 2: Convert to fraction form
    278,065.24/416,101.40 = 240,754.20/x
  3. Step 3: Cross multiply
    278,065.24x = 416,101.40 × 240,754.20
  4. Step 4: Simplify right side
    278,065.24x = 100,178,159,675.88
  5. Step 5: Solve for x
    x = 100,178,159,675.88/278,065.24
  6. Step 6: Final answer
    x = 360,268.55

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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.