Home / 278,015.20-416,925.60-144,851.20

Finding the Fourth Proportional to 278,015.20, 416,925.60 and 144,851.20

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Solution

The fourth proportional to 278,015.20, 416,925.60 and 144,851.20 is: 217,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,015.20 : 416,925.60 = 144,851.20 : x
  2. Step 2: Convert to fraction form
    278,015.20/416,925.60 = 144,851.20/x
  3. Step 3: Cross multiply
    278,015.20x = 416,925.60 × 144,851.20
  4. Step 4: Simplify right side
    278,015.20x = 60,392,173,470.72
  5. Step 5: Solve for x
    x = 60,392,173,470.72/278,015.20
  6. Step 6: Final answer
    x = 217,226.16

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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.