Home / 219,540.78-329,333.07-59,619.31

Finding the Fourth Proportional to 219,540.78, 329,333.07 and 59,619.31

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Solution

The fourth proportional to 219,540.78, 329,333.07 and 59,619.31 is: 89,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,540.78 : 329,333.07 = 59,619.31 : x
  2. Step 2: Convert to fraction form
    219,540.78/329,333.07 = 59,619.31/x
  3. Step 3: Cross multiply
    219,540.78x = 329,333.07 × 59,619.31
  4. Step 4: Simplify right side
    219,540.78x = 19,634,610,393.58
  5. Step 5: Solve for x
    x = 19,634,610,393.58/219,540.78
  6. Step 6: Final answer
    x = 89,434.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.