Home / 278,475.18-384,229.83-157,616.46

Finding the Fourth Proportional to 278,475.18, 384,229.83 and 157,616.46

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Solution

The fourth proportional to 278,475.18, 384,229.83 and 157,616.46 is: 217,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,475.18 : 384,229.83 = 157,616.46 : x
  2. Step 2: Convert to fraction form
    278,475.18/384,229.83 = 157,616.46/x
  3. Step 3: Cross multiply
    278,475.18x = 384,229.83 × 157,616.46
  4. Step 4: Simplify right side
    278,475.18x = 60,560,945,631.00
  5. Step 5: Solve for x
    x = 60,560,945,631.00/278,475.18
  6. Step 6: Final answer
    x = 217,473.41

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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.