Home / 219,472.29-329,219.91-69,724.35

Finding the Fourth Proportional to 219,472.29, 329,219.91 and 69,724.35

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Solution

The fourth proportional to 219,472.29, 329,219.91 and 69,724.35 is: 104,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,472.29 : 329,219.91 = 69,724.35 : x
  2. Step 2: Convert to fraction form
    219,472.29/329,219.91 = 69,724.35/x
  3. Step 3: Cross multiply
    219,472.29x = 329,219.91 × 69,724.35
  4. Step 4: Simplify right side
    219,472.29x = 22,954,644,231.81
  5. Step 5: Solve for x
    x = 22,954,644,231.81/219,472.29
  6. Step 6: Final answer
    x = 104,590.17

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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.