Home / 219,389.10-329,118.44-84,448.46

Finding the Fourth Proportional to 219,389.10, 329,118.44 and 84,448.46

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Solution

The fourth proportional to 219,389.10, 329,118.44 and 84,448.46 is: 126,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,389.10 : 329,118.44 = 84,448.46 : x
  2. Step 2: Convert to fraction form
    219,389.10/329,118.44 = 84,448.46/x
  3. Step 3: Cross multiply
    219,389.10x = 329,118.44 × 84,448.46
  4. Step 4: Simplify right side
    219,389.10x = 27,793,543,347.77
  5. Step 5: Solve for x
    x = 27,793,543,347.77/219,389.10
  6. Step 6: Final answer
    x = 126,686.07

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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.