Home / 289,220.92-433,266.39-199,247.74

Finding the Fourth Proportional to 289,220.92, 433,266.39 and 199,247.74

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Solution

The fourth proportional to 289,220.92, 433,266.39 and 199,247.74 is: 298,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,220.92 : 433,266.39 = 199,247.74 : x
  2. Step 2: Convert to fraction form
    289,220.92/433,266.39 = 199,247.74/x
  3. Step 3: Cross multiply
    289,220.92x = 433,266.39 × 199,247.74
  4. Step 4: Simplify right side
    289,220.92x = 86,327,347,942.29
  5. Step 5: Solve for x
    x = 86,327,347,942.29/289,220.92
  6. Step 6: Final answer
    x = 298,482.38

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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.