Home / 219,359.48-329,039.33-79,118.11

Finding the Fourth Proportional to 219,359.48, 329,039.33 and 79,118.11

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Solution

The fourth proportional to 219,359.48, 329,039.33 and 79,118.11 is: 118,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,359.48 : 329,039.33 = 79,118.11 : x
  2. Step 2: Convert to fraction form
    219,359.48/329,039.33 = 79,118.11/x
  3. Step 3: Cross multiply
    219,359.48x = 329,039.33 × 79,118.11
  4. Step 4: Simplify right side
    219,359.48x = 26,032,968,687.08
  5. Step 5: Solve for x
    x = 26,032,968,687.08/219,359.48
  6. Step 6: Final answer
    x = 118,677.20

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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.