Home / 286,936.83-395,975.13-159,612.42

Finding the Fourth Proportional to 286,936.83, 395,975.13 and 159,612.42

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Solution

The fourth proportional to 286,936.83, 395,975.13 and 159,612.42 is: 220,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,936.83 : 395,975.13 = 159,612.42 : x
  2. Step 2: Convert to fraction form
    286,936.83/395,975.13 = 159,612.42/x
  3. Step 3: Cross multiply
    286,936.83x = 395,975.13 × 159,612.42
  4. Step 4: Simplify right side
    286,936.83x = 63,202,550,543.29
  5. Step 5: Solve for x
    x = 63,202,550,543.29/286,936.83
  6. Step 6: Final answer
    x = 220,266.43

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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.