Home / 320,546.24-480,394.64-170,463.36

Finding the Fourth Proportional to 320,546.24, 480,394.64 and 170,463.36

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Solution

The fourth proportional to 320,546.24, 480,394.64 and 170,463.36 is: 255,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,546.24 : 480,394.64 = 170,463.36 : x
  2. Step 2: Convert to fraction form
    320,546.24/480,394.64 = 170,463.36/x
  3. Step 3: Cross multiply
    320,546.24x = 480,394.64 × 170,463.36
  4. Step 4: Simplify right side
    320,546.24x = 81,889,683,608.07
  5. Step 5: Solve for x
    x = 81,889,683,608.07/320,546.24
  6. Step 6: Final answer
    x = 255,469.18

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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.