Home / 278,938.22-384,933.30-151,614.50

Finding the Fourth Proportional to 278,938.22, 384,933.30 and 151,614.50

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Solution

The fourth proportional to 278,938.22, 384,933.30 and 151,614.50 is: 209,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,938.22 : 384,933.30 = 151,614.50 : x
  2. Step 2: Convert to fraction form
    278,938.22/384,933.30 = 151,614.50/x
  3. Step 3: Cross multiply
    278,938.22x = 384,933.30 × 151,614.50
  4. Step 4: Simplify right side
    278,938.22x = 58,361,469,615.96
  5. Step 5: Solve for x
    x = 58,361,469,615.96/278,938.22
  6. Step 6: Final answer
    x = 209,227.23

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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.