Home / 230,837.67-346,239.22-81,079.28

Finding the Fourth Proportional to 230,837.67, 346,239.22 and 81,079.28

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Solution

The fourth proportional to 230,837.67, 346,239.22 and 81,079.28 is: 121,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,837.67 : 346,239.22 = 81,079.28 : x
  2. Step 2: Convert to fraction form
    230,837.67/346,239.22 = 81,079.28/x
  3. Step 3: Cross multiply
    230,837.67x = 346,239.22 × 81,079.28
  4. Step 4: Simplify right side
    230,837.67x = 28,072,826,665.36
  5. Step 5: Solve for x
    x = 28,072,826,665.36/230,837.67
  6. Step 6: Final answer
    x = 121,612.85

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1.5x scale

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.