Home / 738,898.20-1,108,186.42-199,141.88

Finding the Fourth Proportional to 738,898.20, 1,108,186.42 and 199,141.88

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Solution

The fourth proportional to 738,898.20, 1,108,186.42 and 199,141.88 is: 298,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,898.20 : 1,108,186.42 = 199,141.88 : x
  2. Step 2: Convert to fraction form
    738,898.20/1,108,186.42 = 199,141.88/x
  3. Step 3: Cross multiply
    738,898.20x = 1,108,186.42 × 199,141.88
  4. Step 4: Simplify right side
    738,898.20x = 220,686,327,069.27
  5. Step 5: Solve for x
    x = 220,686,327,069.27/738,898.20
  6. Step 6: Final answer
    x = 298,669.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.