Home / 340,120.58-469,370.66-187,176.38

Finding the Fourth Proportional to 340,120.58, 469,370.66 and 187,176.38

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Solution

The fourth proportional to 340,120.58, 469,370.66 and 187,176.38 is: 258,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,120.58 : 469,370.66 = 187,176.38 : x
  2. Step 2: Convert to fraction form
    340,120.58/469,370.66 = 187,176.38/x
  3. Step 3: Cross multiply
    340,120.58x = 469,370.66 × 187,176.38
  4. Step 4: Simplify right side
    340,120.58x = 87,855,101,017.01
  5. Step 5: Solve for x
    x = 87,855,101,017.01/340,120.58
  6. Step 6: Final answer
    x = 258,305.75

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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.