Home / 289,610.46-433,506.87-199,125.16

Finding the Fourth Proportional to 289,610.46, 433,506.87 and 199,125.16

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Solution

The fourth proportional to 289,610.46, 433,506.87 and 199,125.16 is: 298,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,610.46 : 433,506.87 = 199,125.16 : x
  2. Step 2: Convert to fraction form
    289,610.46/433,506.87 = 199,125.16/x
  3. Step 3: Cross multiply
    289,610.46x = 433,506.87 × 199,125.16
  4. Step 4: Simplify right side
    289,610.46x = 86,322,123,766.08
  5. Step 5: Solve for x
    x = 86,322,123,766.08/289,610.46
  6. Step 6: Final answer
    x = 298,062.87

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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.