Home / 268,731.68-403,111.62-69,053.38

Finding the Fourth Proportional to 268,731.68, 403,111.62 and 69,053.38

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Solution

The fourth proportional to 268,731.68, 403,111.62 and 69,053.38 is: 103,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,731.68 : 403,111.62 = 69,053.38 : x
  2. Step 2: Convert to fraction form
    268,731.68/403,111.62 = 69,053.38/x
  3. Step 3: Cross multiply
    268,731.68x = 403,111.62 × 69,053.38
  4. Step 4: Simplify right side
    268,731.68x = 27,836,218,870.50
  5. Step 5: Solve for x
    x = 27,836,218,870.50/268,731.68
  6. Step 6: Final answer
    x = 103,583.69

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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.