Home / 286,639.29-394,658.73-260,067.24

Finding the Fourth Proportional to 286,639.29, 394,658.73 and 260,067.24

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Solution

The fourth proportional to 286,639.29, 394,658.73 and 260,067.24 is: 358,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,639.29 : 394,658.73 = 260,067.24 : x
  2. Step 2: Convert to fraction form
    286,639.29/394,658.73 = 260,067.24/x
  3. Step 3: Cross multiply
    286,639.29x = 394,658.73 × 260,067.24
  4. Step 4: Simplify right side
    286,639.29x = 102,637,806,653.01
  5. Step 5: Solve for x
    x = 102,637,806,653.01/286,639.29
  6. Step 6: Final answer
    x = 358,073.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.