Home / 340,328.25-469,635.14-187,336.56

Finding the Fourth Proportional to 340,328.25, 469,635.14 and 187,336.56

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Solution

The fourth proportional to 340,328.25, 469,635.14 and 187,336.56 is: 258,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,328.25 : 469,635.14 = 187,336.56 : x
  2. Step 2: Convert to fraction form
    340,328.25/469,635.14 = 187,336.56/x
  3. Step 3: Cross multiply
    340,328.25x = 469,635.14 × 187,336.56
  4. Step 4: Simplify right side
    340,328.25x = 87,979,830,113.09
  5. Step 5: Solve for x
    x = 87,979,830,113.09/340,328.25
  6. Step 6: Final answer
    x = 258,514.63

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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.