Home / 340,234.20-469,519.47-187,269.12

Finding the Fourth Proportional to 340,234.20, 469,519.47 and 187,269.12

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Solution

The fourth proportional to 340,234.20, 469,519.47 and 187,269.12 is: 258,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,234.20 : 469,519.47 = 187,269.12 : x
  2. Step 2: Convert to fraction form
    340,234.20/469,519.47 = 187,269.12/x
  3. Step 3: Cross multiply
    340,234.20x = 469,519.47 × 187,269.12
  4. Step 4: Simplify right side
    340,234.20x = 87,926,497,969.77
  5. Step 5: Solve for x
    x = 87,926,497,969.77/340,234.20
  6. Step 6: Final answer
    x = 258,429.33

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1.5x scale

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.