Home / 320,844.90-481,740.45-178,967.38

Finding the Fourth Proportional to 320,844.90, 481,740.45 and 178,967.38

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Solution

The fourth proportional to 320,844.90, 481,740.45 and 178,967.38 is: 268,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,844.90 : 481,740.45 = 178,967.38 : x
  2. Step 2: Convert to fraction form
    320,844.90/481,740.45 = 178,967.38/x
  3. Step 3: Cross multiply
    320,844.90x = 481,740.45 × 178,967.38
  4. Step 4: Simplify right side
    320,844.90x = 86,215,823,767.82
  5. Step 5: Solve for x
    x = 86,215,823,767.82/320,844.90
  6. Step 6: Final answer
    x = 268,714.96

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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.