Home / 340,234.19-469,519.47-187,269.11

Finding the Fourth Proportional to 340,234.19, 469,519.47 and 187,269.11

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Solution

The fourth proportional to 340,234.19, 469,519.47 and 187,269.11 is: 258,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,234.19 : 469,519.47 = 187,269.11 : x
  2. Step 2: Convert to fraction form
    340,234.19/469,519.47 = 187,269.11/x
  3. Step 3: Cross multiply
    340,234.19x = 469,519.47 × 187,269.11
  4. Step 4: Simplify right side
    340,234.19x = 87,926,490,926.97
  5. Step 5: Solve for x
    x = 87,926,490,926.97/340,234.19
  6. Step 6: Final answer
    x = 258,429.33

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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.