Home / 278,180.94-383,886.32-150,855.06

Finding the Fourth Proportional to 278,180.94, 383,886.32 and 150,855.06

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Solution

The fourth proportional to 278,180.94, 383,886.32 and 150,855.06 is: 208,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,180.94 : 383,886.32 = 150,855.06 : x
  2. Step 2: Convert to fraction form
    278,180.94/383,886.32 = 150,855.06/x
  3. Step 3: Cross multiply
    278,180.94x = 383,886.32 × 150,855.06
  4. Step 4: Simplify right side
    278,180.94x = 57,911,193,836.78
  5. Step 5: Solve for x
    x = 57,911,193,836.78/278,180.94
  6. Step 6: Final answer
    x = 208,178.15

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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.