Home / 340,234.32-469,519.64-187,269.23

Finding the Fourth Proportional to 340,234.32, 469,519.64 and 187,269.23

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Solution

The fourth proportional to 340,234.32, 469,519.64 and 187,269.23 is: 258,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,234.32 : 469,519.64 = 187,269.23 : x
  2. Step 2: Convert to fraction form
    340,234.32/469,519.64 = 187,269.23/x
  3. Step 3: Cross multiply
    340,234.32x = 469,519.64 × 187,269.23
  4. Step 4: Simplify right side
    340,234.32x = 87,926,581,452.68
  5. Step 5: Solve for x
    x = 87,926,581,452.68/340,234.32
  6. Step 6: Final answer
    x = 258,429.49

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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.