Home / 327,869.10-491,803.65-201,897.90

Finding the Fourth Proportional to 327,869.10, 491,803.65 and 201,897.90

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Solution

The fourth proportional to 327,869.10, 491,803.65 and 201,897.90 is: 302,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,869.10 : 491,803.65 = 201,897.90 : x
  2. Step 2: Convert to fraction form
    327,869.10/491,803.65 = 201,897.90/x
  3. Step 3: Cross multiply
    327,869.10x = 491,803.65 × 201,897.90
  4. Step 4: Simplify right side
    327,869.10x = 99,294,124,147.34
  5. Step 5: Solve for x
    x = 99,294,124,147.34/327,869.10
  6. Step 6: Final answer
    x = 302,846.85

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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.