Home / 221,601.30-332,314.47-81,283.38

Finding the Fourth Proportional to 221,601.30, 332,314.47 and 81,283.38

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Solution

The fourth proportional to 221,601.30, 332,314.47 and 81,283.38 is: 121,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,601.30 : 332,314.47 = 81,283.38 : x
  2. Step 2: Convert to fraction form
    221,601.30/332,314.47 = 81,283.38/x
  3. Step 3: Cross multiply
    221,601.30x = 332,314.47 × 81,283.38
  4. Step 4: Simplify right side
    221,601.30x = 27,011,643,344.51
  5. Step 5: Solve for x
    x = 27,011,643,344.51/221,601.30
  6. Step 6: Final answer
    x = 121,892.98

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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.