Home / 370,136.07-510,789.41-200,370.19

Finding the Fourth Proportional to 370,136.07, 510,789.41 and 200,370.19

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Solution

The fourth proportional to 370,136.07, 510,789.41 and 200,370.19 is: 276,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,136.07 : 510,789.41 = 200,370.19 : x
  2. Step 2: Convert to fraction form
    370,136.07/510,789.41 = 200,370.19/x
  3. Step 3: Cross multiply
    370,136.07x = 510,789.41 × 200,370.19
  4. Step 4: Simplify right side
    370,136.07x = 102,346,971,131.69
  5. Step 5: Solve for x
    x = 102,346,971,131.69/370,136.07
  6. Step 6: Final answer
    x = 276,511.75

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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.