Home / 278,044.72-383,648.28-175,998.40

Finding the Fourth Proportional to 278,044.72, 383,648.28 and 175,998.40

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Solution

The fourth proportional to 278,044.72, 383,648.28 and 175,998.40 is: 242,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,044.72 : 383,648.28 = 175,998.40 : x
  2. Step 2: Convert to fraction form
    278,044.72/383,648.28 = 175,998.40/x
  3. Step 3: Cross multiply
    278,044.72x = 383,648.28 × 175,998.40
  4. Step 4: Simplify right side
    278,044.72x = 67,521,483,442.75
  5. Step 5: Solve for x
    x = 67,521,483,442.75/278,044.72
  6. Step 6: Final answer
    x = 242,843.97

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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.