Home / 340,330.18-469,637.82-187,338.49

Finding the Fourth Proportional to 340,330.18, 469,637.82 and 187,338.49

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Solution

The fourth proportional to 340,330.18, 469,637.82 and 187,338.49 is: 258,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,330.18 : 469,637.82 = 187,338.49 : x
  2. Step 2: Convert to fraction form
    340,330.18/469,637.82 = 187,338.49/x
  3. Step 3: Cross multiply
    340,330.18x = 469,637.82 × 187,338.49
  4. Step 4: Simplify right side
    340,330.18x = 87,981,240,045.69
  5. Step 5: Solve for x
    x = 87,981,240,045.69/340,330.18
  6. Step 6: Final answer
    x = 258,517.30

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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.