Home / 278,116.48-416,927.29-100,584.01

Finding the Fourth Proportional to 278,116.48, 416,927.29 and 100,584.01

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Solution

The fourth proportional to 278,116.48, 416,927.29 and 100,584.01 is: 150,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,116.48 : 416,927.29 = 100,584.01 : x
  2. Step 2: Convert to fraction form
    278,116.48/416,927.29 = 100,584.01/x
  3. Step 3: Cross multiply
    278,116.48x = 416,927.29 × 100,584.01
  4. Step 4: Simplify right side
    278,116.48x = 41,936,218,706.63
  5. Step 5: Solve for x
    x = 41,936,218,706.63/278,116.48
  6. Step 6: Final answer
    x = 150,786.53

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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.