Home / 262,218.97-393,330.73-84,726

Finding the Fourth Proportional to 262,218.97, 393,330.73 and 84,726

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Solution

The fourth proportional to 262,218.97, 393,330.73 and 84,726 is: 127,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,218.97 : 393,330.73 = 84,726 : x
  2. Step 2: Convert to fraction form
    262,218.97/393,330.73 = 84,726/x
  3. Step 3: Cross multiply
    262,218.97x = 393,330.73 × 84,726
  4. Step 4: Simplify right side
    262,218.97x = 33,325,339,429.98
  5. Step 5: Solve for x
    x = 33,325,339,429.98/262,218.97
  6. Step 6: Final answer
    x = 127,089.74

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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.