Home / 281,441.94-388,382.30-160,581.03

Finding the Fourth Proportional to 281,441.94, 388,382.30 and 160,581.03

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Solution

The fourth proportional to 281,441.94, 388,382.30 and 160,581.03 is: 221,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,441.94 : 388,382.30 = 160,581.03 : x
  2. Step 2: Convert to fraction form
    281,441.94/388,382.30 = 160,581.03/x
  3. Step 3: Cross multiply
    281,441.94x = 388,382.30 × 160,581.03
  4. Step 4: Simplify right side
    281,441.94x = 62,366,829,767.77
  5. Step 5: Solve for x
    x = 62,366,829,767.77/281,441.94
  6. Step 6: Final answer
    x = 221,597.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.