Home / 286,171.10-394,934.04-158,848.82

Finding the Fourth Proportional to 286,171.10, 394,934.04 and 158,848.82

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Solution

The fourth proportional to 286,171.10, 394,934.04 and 158,848.82 is: 219,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,171.10 : 394,934.04 = 158,848.82 : x
  2. Step 2: Convert to fraction form
    286,171.10/394,934.04 = 158,848.82/x
  3. Step 3: Cross multiply
    286,171.10x = 394,934.04 × 158,848.82
  4. Step 4: Simplify right side
    286,171.10x = 62,734,806,231.83
  5. Step 5: Solve for x
    x = 62,734,806,231.83/286,171.10
  6. Step 6: Final answer
    x = 219,221.32

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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.