Home / 278,769.80-384,735.30-165,593

Finding the Fourth Proportional to 278,769.80, 384,735.30 and 165,593

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Solution

The fourth proportional to 278,769.80, 384,735.30 and 165,593 is: 228,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,769.80 : 384,735.30 = 165,593 : x
  2. Step 2: Convert to fraction form
    278,769.80/384,735.30 = 165,593/x
  3. Step 3: Cross multiply
    278,769.80x = 384,735.30 × 165,593
  4. Step 4: Simplify right side
    278,769.80x = 63,709,472,532.90
  5. Step 5: Solve for x
    x = 63,709,472,532.90/278,769.80
  6. Step 6: Final answer
    x = 228,537.93

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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.