Home / 278,163.98-383,868.71-150,839.58

Finding the Fourth Proportional to 278,163.98, 383,868.71 and 150,839.58

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Solution

The fourth proportional to 278,163.98, 383,868.71 and 150,839.58 is: 208,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,163.98 : 383,868.71 = 150,839.58 : x
  2. Step 2: Convert to fraction form
    278,163.98/383,868.71 = 150,839.58/x
  3. Step 3: Cross multiply
    278,163.98x = 383,868.71 × 150,839.58
  4. Step 4: Simplify right side
    278,163.98x = 57,902,594,991.54
  5. Step 5: Solve for x
    x = 57,902,594,991.54/278,163.98
  6. Step 6: Final answer
    x = 208,159.93

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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.