Home / 289,764.16-434,557.76-200,381.44

Finding the Fourth Proportional to 289,764.16, 434,557.76 and 200,381.44

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Solution

The fourth proportional to 289,764.16, 434,557.76 and 200,381.44 is: 300,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,764.16 : 434,557.76 = 200,381.44 : x
  2. Step 2: Convert to fraction form
    289,764.16/434,557.76 = 200,381.44/x
  3. Step 3: Cross multiply
    289,764.16x = 434,557.76 × 200,381.44
  4. Step 4: Simplify right side
    289,764.16x = 87,077,309,711.97
  5. Step 5: Solve for x
    x = 87,077,309,711.97/289,764.16
  6. Step 6: Final answer
    x = 300,510.97

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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.