Home / 278,222.10-383,947.18-150,897.71

Finding the Fourth Proportional to 278,222.10, 383,947.18 and 150,897.71

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Solution

The fourth proportional to 278,222.10, 383,947.18 and 150,897.71 is: 208,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,222.10 : 383,947.18 = 150,897.71 : x
  2. Step 2: Convert to fraction form
    278,222.10/383,947.18 = 150,897.71/x
  3. Step 3: Cross multiply
    278,222.10x = 383,947.18 × 150,897.71
  4. Step 4: Simplify right side
    278,222.10x = 57,936,747,925.98
  5. Step 5: Solve for x
    x = 57,936,747,925.98/278,222.10
  6. Step 6: Final answer
    x = 208,239.20

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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.