Home / 321,127.10-481,544.85-121,381.10

Finding the Fourth Proportional to 321,127.10, 481,544.85 and 121,381.10

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Solution

The fourth proportional to 321,127.10, 481,544.85 and 121,381.10 is: 182,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,127.10 : 481,544.85 = 121,381.10 : x
  2. Step 2: Convert to fraction form
    321,127.10/481,544.85 = 121,381.10/x
  3. Step 3: Cross multiply
    321,127.10x = 481,544.85 × 121,381.10
  4. Step 4: Simplify right side
    321,127.10x = 58,450,443,592.34
  5. Step 5: Solve for x
    x = 58,450,443,592.34/321,127.10
  6. Step 6: Final answer
    x = 182,016.54

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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.