Home / 245,502.34-338,711.78-200,102.26

Finding the Fourth Proportional to 245,502.34, 338,711.78 and 200,102.26

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Solution

The fourth proportional to 245,502.34, 338,711.78 and 200,102.26 is: 276,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,502.34 : 338,711.78 = 200,102.26 : x
  2. Step 2: Convert to fraction form
    245,502.34/338,711.78 = 200,102.26/x
  3. Step 3: Cross multiply
    245,502.34x = 338,711.78 × 200,102.26
  4. Step 4: Simplify right side
    245,502.34x = 67,776,992,666.62
  5. Step 5: Solve for x
    x = 67,776,992,666.62/245,502.34
  6. Step 6: Final answer
    x = 276,074.73

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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.