Home / 340,234.18-469,519.48-187,269.10

Finding the Fourth Proportional to 340,234.18, 469,519.48 and 187,269.10

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Solution

The fourth proportional to 340,234.18, 469,519.48 and 187,269.10 is: 258,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,234.18 : 469,519.48 = 187,269.10 : x
  2. Step 2: Convert to fraction form
    340,234.18/469,519.48 = 187,269.10/x
  3. Step 3: Cross multiply
    340,234.18x = 469,519.48 × 187,269.10
  4. Step 4: Simplify right side
    340,234.18x = 87,926,490,452.07
  5. Step 5: Solve for x
    x = 87,926,490,452.07/340,234.18
  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.