Home / 262,826.68-394,097.98-82,878.16

Finding the Fourth Proportional to 262,826.68, 394,097.98 and 82,878.16

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Solution

The fourth proportional to 262,826.68, 394,097.98 and 82,878.16 is: 124,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,826.68 : 394,097.98 = 82,878.16 : x
  2. Step 2: Convert to fraction form
    262,826.68/394,097.98 = 82,878.16/x
  3. Step 3: Cross multiply
    262,826.68x = 394,097.98 × 82,878.16
  4. Step 4: Simplify right side
    262,826.68x = 32,662,115,442.12
  5. Step 5: Solve for x
    x = 32,662,115,442.12/262,826.68
  6. Step 6: Final answer
    x = 124,272.45

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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.