Home / 282,228.28-389,474.52-161,371.84

Finding the Fourth Proportional to 282,228.28, 389,474.52 and 161,371.84

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Solution

The fourth proportional to 282,228.28, 389,474.52 and 161,371.84 is: 222,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,228.28 : 389,474.52 = 161,371.84 : x
  2. Step 2: Convert to fraction form
    282,228.28/389,474.52 = 161,371.84/x
  3. Step 3: Cross multiply
    282,228.28x = 389,474.52 × 161,371.84
  4. Step 4: Simplify right side
    282,228.28x = 62,850,219,925.52
  5. Step 5: Solve for x
    x = 62,850,219,925.52/282,228.28
  6. Step 6: Final answer
    x = 222,692.85

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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.