Home / 278,126.38-383,810.70-150,799.24

Finding the Fourth Proportional to 278,126.38, 383,810.70 and 150,799.24

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Solution

The fourth proportional to 278,126.38, 383,810.70 and 150,799.24 is: 208,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,126.38 : 383,810.70 = 150,799.24 : x
  2. Step 2: Convert to fraction form
    278,126.38/383,810.70 = 150,799.24/x
  3. Step 3: Cross multiply
    278,126.38x = 383,810.70 × 150,799.24
  4. Step 4: Simplify right side
    278,126.38x = 57,878,361,863.87
  5. Step 5: Solve for x
    x = 57,878,361,863.87/278,126.38
  6. Step 6: Final answer
    x = 208,100.94

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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.