Home / 465,118.60-641,855.49-261,171.13

Finding the Fourth Proportional to 465,118.60, 641,855.49 and 261,171.13

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Solution

The fourth proportional to 465,118.60, 641,855.49 and 261,171.13 is: 360,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,118.60 : 641,855.49 = 261,171.13 : x
  2. Step 2: Convert to fraction form
    465,118.60/641,855.49 = 261,171.13/x
  3. Step 3: Cross multiply
    465,118.60x = 641,855.49 × 261,171.13
  4. Step 4: Simplify right side
    465,118.60x = 167,634,123,620.00
  5. Step 5: Solve for x
    x = 167,634,123,620.00/465,118.60
  6. Step 6: Final answer
    x = 360,411.57

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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.