Home / 320,786.46-481,017.69-187,706.70

Finding the Fourth Proportional to 320,786.46, 481,017.69 and 187,706.70

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Solution

The fourth proportional to 320,786.46, 481,017.69 and 187,706.70 is: 281,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,786.46 : 481,017.69 = 187,706.70 : x
  2. Step 2: Convert to fraction form
    320,786.46/481,017.69 = 187,706.70/x
  3. Step 3: Cross multiply
    320,786.46x = 481,017.69 × 187,706.70
  4. Step 4: Simplify right side
    320,786.46x = 90,290,243,231.52
  5. Step 5: Solve for x
    x = 90,290,243,231.52/320,786.46
  6. Step 6: Final answer
    x = 281,465.26

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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.