Home / 219,424.77-329,134.73-69,661.04

Finding the Fourth Proportional to 219,424.77, 329,134.73 and 69,661.04

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Solution

The fourth proportional to 219,424.77, 329,134.73 and 69,661.04 is: 104,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,424.77 : 329,134.73 = 69,661.04 : x
  2. Step 2: Convert to fraction form
    219,424.77/329,134.73 = 69,661.04/x
  3. Step 3: Cross multiply
    219,424.77x = 329,134.73 × 69,661.04
  4. Step 4: Simplify right side
    219,424.77x = 22,927,865,597.94
  5. Step 5: Solve for x
    x = 22,927,865,597.94/219,424.77
  6. Step 6: Final answer
    x = 104,490.78

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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.