Home / 281,986.61-423,004.77-79,584.51

Finding the Fourth Proportional to 281,986.61, 423,004.77 and 79,584.51

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Solution

The fourth proportional to 281,986.61, 423,004.77 and 79,584.51 is: 119,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,986.61 : 423,004.77 = 79,584.51 : x
  2. Step 2: Convert to fraction form
    281,986.61/423,004.77 = 79,584.51/x
  3. Step 3: Cross multiply
    281,986.61x = 423,004.77 × 79,584.51
  4. Step 4: Simplify right side
    281,986.61x = 33,664,627,348.11
  5. Step 5: Solve for x
    x = 33,664,627,348.11/281,986.61
  6. Step 6: Final answer
    x = 119,383.78

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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.