Home / 215,122.58-296,745.81-178,617.38

Finding the Fourth Proportional to 215,122.58, 296,745.81 and 178,617.38

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Solution

The fourth proportional to 215,122.58, 296,745.81 and 178,617.38 is: 246,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,122.58 : 296,745.81 = 178,617.38 : x
  2. Step 2: Convert to fraction form
    215,122.58/296,745.81 = 178,617.38/x
  3. Step 3: Cross multiply
    215,122.58x = 296,745.81 × 178,617.38
  4. Step 4: Simplify right side
    215,122.58x = 53,003,959,108.18
  5. Step 5: Solve for x
    x = 53,003,959,108.18/215,122.58
  6. Step 6: Final answer
    x = 246,389.57

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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.