Home / 282,912.14-390,422.62-162,053.36

Finding the Fourth Proportional to 282,912.14, 390,422.62 and 162,053.36

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Solution

The fourth proportional to 282,912.14, 390,422.62 and 162,053.36 is: 223,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,912.14 : 390,422.62 = 162,053.36 : x
  2. Step 2: Convert to fraction form
    282,912.14/390,422.62 = 162,053.36/x
  3. Step 3: Cross multiply
    282,912.14x = 390,422.62 × 162,053.36
  4. Step 4: Simplify right side
    282,912.14x = 63,269,297,391.00
  5. Step 5: Solve for x
    x = 63,269,297,391.00/282,912.14
  6. Step 6: Final answer
    x = 223,635.85

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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.