Home / 370,136.14-510,789.50-200,370.26

Finding the Fourth Proportional to 370,136.14, 510,789.50 and 200,370.26

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Solution

The fourth proportional to 370,136.14, 510,789.50 and 200,370.26 is: 276,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,136.14 : 510,789.50 = 200,370.26 : x
  2. Step 2: Convert to fraction form
    370,136.14/510,789.50 = 200,370.26/x
  3. Step 3: Cross multiply
    370,136.14x = 510,789.50 × 200,370.26
  4. Step 4: Simplify right side
    370,136.14x = 102,347,024,920.27
  5. Step 5: Solve for x
    x = 102,347,024,920.27/370,136.14
  6. Step 6: Final answer
    x = 276,511.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.