Home / 278,015.25-383,661.87-150,691.35

Finding the Fourth Proportional to 278,015.25, 383,661.87 and 150,691.35

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Solution

The fourth proportional to 278,015.25, 383,661.87 and 150,691.35 is: 207,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,015.25 : 383,661.87 = 150,691.35 : x
  2. Step 2: Convert to fraction form
    278,015.25/383,661.87 = 150,691.35/x
  3. Step 3: Cross multiply
    278,015.25x = 383,661.87 × 150,691.35
  4. Step 4: Simplify right side
    278,015.25x = 57,814,525,133.82
  5. Step 5: Solve for x
    x = 57,814,525,133.82/278,015.25
  6. Step 6: Final answer
    x = 207,954.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.