Home / 281,710.87-422,567.07-82,036.15

Finding the Fourth Proportional to 281,710.87, 422,567.07 and 82,036.15

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Solution

The fourth proportional to 281,710.87, 422,567.07 and 82,036.15 is: 123,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,710.87 : 422,567.07 = 82,036.15 : x
  2. Step 2: Convert to fraction form
    281,710.87/422,567.07 = 82,036.15/x
  3. Step 3: Cross multiply
    281,710.87x = 422,567.07 × 82,036.15
  4. Step 4: Simplify right side
    281,710.87x = 34,665,773,426.75
  5. Step 5: Solve for x
    x = 34,665,773,426.75/281,710.87
  6. Step 6: Final answer
    x = 123,054.44

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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.