Home / 278,134.76-383,753.06-164,982.76

Finding the Fourth Proportional to 278,134.76, 383,753.06 and 164,982.76

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Solution

The fourth proportional to 278,134.76, 383,753.06 and 164,982.76 is: 227,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,134.76 : 383,753.06 = 164,982.76 : x
  2. Step 2: Convert to fraction form
    278,134.76/383,753.06 = 164,982.76/x
  3. Step 3: Cross multiply
    278,134.76x = 383,753.06 × 164,982.76
  4. Step 4: Simplify right side
    278,134.76x = 63,312,638,997.25
  5. Step 5: Solve for x
    x = 63,312,638,997.25/278,134.76
  6. Step 6: Final answer
    x = 227,632.96

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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.