Home / 219,381.09-329,119.02-69,633.42

Finding the Fourth Proportional to 219,381.09, 329,119.02 and 69,633.42

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Solution

The fourth proportional to 219,381.09, 329,119.02 and 69,633.42 is: 104,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,381.09 : 329,119.02 = 69,633.42 : x
  2. Step 2: Convert to fraction form
    219,381.09/329,119.02 = 69,633.42/x
  3. Step 3: Cross multiply
    219,381.09x = 329,119.02 × 69,633.42
  4. Step 4: Simplify right side
    219,381.09x = 22,917,682,949.65
  5. Step 5: Solve for x
    x = 22,917,682,949.65/219,381.09
  6. Step 6: Final answer
    x = 104,465.17

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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.