Home / 263,428.16-395,231.04-83,543.04

Finding the Fourth Proportional to 263,428.16, 395,231.04 and 83,543.04

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Solution

The fourth proportional to 263,428.16, 395,231.04 and 83,543.04 is: 125,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,428.16 : 395,231.04 = 83,543.04 : x
  2. Step 2: Convert to fraction form
    263,428.16/395,231.04 = 83,543.04/x
  3. Step 3: Cross multiply
    263,428.16x = 395,231.04 × 83,543.04
  4. Step 4: Simplify right side
    263,428.16x = 33,018,802,583.96
  5. Step 5: Solve for x
    x = 33,018,802,583.96/263,428.16
  6. Step 6: Final answer
    x = 125,342.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.