Home / 253,039.28-379,552.85-82,260.77

Finding the Fourth Proportional to 253,039.28, 379,552.85 and 82,260.77

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Solution

The fourth proportional to 253,039.28, 379,552.85 and 82,260.77 is: 123,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,039.28 : 379,552.85 = 82,260.77 : x
  2. Step 2: Convert to fraction form
    253,039.28/379,552.85 = 82,260.77/x
  3. Step 3: Cross multiply
    253,039.28x = 379,552.85 × 82,260.77
  4. Step 4: Simplify right side
    253,039.28x = 31,222,309,285.39
  5. Step 5: Solve for x
    x = 31,222,309,285.39/253,039.28
  6. Step 6: Final answer
    x = 123,389.18

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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.