Home / 245,198.62-338,595.42-154,715.14

Finding the Fourth Proportional to 245,198.62, 338,595.42 and 154,715.14

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Solution

The fourth proportional to 245,198.62, 338,595.42 and 154,715.14 is: 213,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,198.62 : 338,595.42 = 154,715.14 : x
  2. Step 2: Convert to fraction form
    245,198.62/338,595.42 = 154,715.14/x
  3. Step 3: Cross multiply
    245,198.62x = 338,595.42 × 154,715.14
  4. Step 4: Simplify right side
    245,198.62x = 52,385,837,808.66
  5. Step 5: Solve for x
    x = 52,385,837,808.66/245,198.62
  6. Step 6: Final answer
    x = 213,646.54

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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.