Home / 321,019.25-481,110.38-178,858.78

Finding the Fourth Proportional to 321,019.25, 481,110.38 and 178,858.78

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Solution

The fourth proportional to 321,019.25, 481,110.38 and 178,858.78 is: 268,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,019.25 : 481,110.38 = 178,858.78 : x
  2. Step 2: Convert to fraction form
    321,019.25/481,110.38 = 178,858.78/x
  3. Step 3: Cross multiply
    321,019.25x = 481,110.38 × 178,858.78
  4. Step 4: Simplify right side
    321,019.25x = 86,050,817,898.11
  5. Step 5: Solve for x
    x = 86,050,817,898.11/321,019.25
  6. Step 6: Final answer
    x = 268,055.01

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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.