Home / 276,748.79-381,914.03-160,484.80

Finding the Fourth Proportional to 276,748.79, 381,914.03 and 160,484.80

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Solution

The fourth proportional to 276,748.79, 381,914.03 and 160,484.80 is: 221,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,748.79 : 381,914.03 = 160,484.80 : x
  2. Step 2: Convert to fraction form
    276,748.79/381,914.03 = 160,484.80/x
  3. Step 3: Cross multiply
    276,748.79x = 381,914.03 × 160,484.80
  4. Step 4: Simplify right side
    276,748.79x = 61,291,396,721.74
  5. Step 5: Solve for x
    x = 61,291,396,721.74/276,748.79
  6. Step 6: Final answer
    x = 221,469.43

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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.