Home / 321,242.24-481,867.26-152,778.86

Finding the Fourth Proportional to 321,242.24, 481,867.26 and 152,778.86

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Solution

The fourth proportional to 321,242.24, 481,867.26 and 152,778.86 is: 229,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,242.24 : 481,867.26 = 152,778.86 : x
  2. Step 2: Convert to fraction form
    321,242.24/481,867.26 = 152,778.86/x
  3. Step 3: Cross multiply
    321,242.24x = 481,867.26 × 152,778.86
  4. Step 4: Simplify right side
    321,242.24x = 73,619,130,654.12
  5. Step 5: Solve for x
    x = 73,619,130,654.12/321,242.24
  6. Step 6: Final answer
    x = 229,170.14

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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.