Home / 278,106.24-383,783.04-150,781.44

Finding the Fourth Proportional to 278,106.24, 383,783.04 and 150,781.44

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Solution

The fourth proportional to 278,106.24, 383,783.04 and 150,781.44 is: 208,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,106.24 : 383,783.04 = 150,781.44 : x
  2. Step 2: Convert to fraction form
    278,106.24/383,783.04 = 150,781.44/x
  3. Step 3: Cross multiply
    278,106.24x = 383,783.04 × 150,781.44
  4. Step 4: Simplify right side
    278,106.24x = 57,867,359,418.78
  5. Step 5: Solve for x
    x = 57,867,359,418.78/278,106.24
  6. Step 6: Final answer
    x = 208,076.45

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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.