Home / 278,149.59-383,846.65-150,825.18

Finding the Fourth Proportional to 278,149.59, 383,846.65 and 150,825.18

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Solution

The fourth proportional to 278,149.59, 383,846.65 and 150,825.18 is: 208,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,149.59 : 383,846.65 = 150,825.18 : x
  2. Step 2: Convert to fraction form
    278,149.59/383,846.65 = 150,825.18/x
  3. Step 3: Cross multiply
    278,149.59x = 383,846.65 × 150,825.18
  4. Step 4: Simplify right side
    278,149.59x = 57,893,739,701.58
  5. Step 5: Solve for x
    x = 57,893,739,701.58/278,149.59
  6. Step 6: Final answer
    x = 208,138.86

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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.