Home / 278,541.11-384,388.30-163,824.59

Finding the Fourth Proportional to 278,541.11, 384,388.30 and 163,824.59

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Solution

The fourth proportional to 278,541.11, 384,388.30 and 163,824.59 is: 226,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,541.11 : 384,388.30 = 163,824.59 : x
  2. Step 2: Convert to fraction form
    278,541.11/384,388.30 = 163,824.59/x
  3. Step 3: Cross multiply
    278,541.11x = 384,388.30 × 163,824.59
  4. Step 4: Simplify right side
    278,541.11x = 62,972,255,372.59
  5. Step 5: Solve for x
    x = 62,972,255,372.59/278,541.11
  6. Step 6: Final answer
    x = 226,078.86

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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.