Home / 278,119.50-383,801.45-150,794.79

Finding the Fourth Proportional to 278,119.50, 383,801.45 and 150,794.79

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Solution

The fourth proportional to 278,119.50, 383,801.45 and 150,794.79 is: 208,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,119.50 : 383,801.45 = 150,794.79 : x
  2. Step 2: Convert to fraction form
    278,119.50/383,801.45 = 150,794.79/x
  3. Step 3: Cross multiply
    278,119.50x = 383,801.45 × 150,794.79
  4. Step 4: Simplify right side
    278,119.50x = 57,875,259,054.45
  5. Step 5: Solve for x
    x = 57,875,259,054.45/278,119.50
  6. Step 6: Final answer
    x = 208,094.93

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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.