Home / 282,825.27-424,172.30-105,415.83

Finding the Fourth Proportional to 282,825.27, 424,172.30 and 105,415.83

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Solution

The fourth proportional to 282,825.27, 424,172.30 and 105,415.83 is: 158,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,825.27 : 424,172.30 = 105,415.83 : x
  2. Step 2: Convert to fraction form
    282,825.27/424,172.30 = 105,415.83/x
  3. Step 3: Cross multiply
    282,825.27x = 424,172.30 × 105,415.83
  4. Step 4: Simplify right side
    282,825.27x = 44,714,474,540.43
  5. Step 5: Solve for x
    x = 44,714,474,540.43/282,825.27
  6. Step 6: Final answer
    x = 158,099.29

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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.