Home / 281,681.08-422,590.74-82,003.25

Finding the Fourth Proportional to 281,681.08, 422,590.74 and 82,003.25

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Solution

The fourth proportional to 281,681.08, 422,590.74 and 82,003.25 is: 123,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,681.08 : 422,590.74 = 82,003.25 : x
  2. Step 2: Convert to fraction form
    281,681.08/422,590.74 = 82,003.25/x
  3. Step 3: Cross multiply
    281,681.08x = 422,590.74 × 82,003.25
  4. Step 4: Simplify right side
    281,681.08x = 34,653,814,848.87
  5. Step 5: Solve for x
    x = 34,653,814,848.87/281,681.08
  6. Step 6: Final answer
    x = 123,025.00

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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.