Home / 207,570.24-311,342.40-82,821.60

Finding the Fourth Proportional to 207,570.24, 311,342.40 and 82,821.60

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Solution

The fourth proportional to 207,570.24, 311,342.40 and 82,821.60 is: 124,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,570.24 : 311,342.40 = 82,821.60 : x
  2. Step 2: Convert to fraction form
    207,570.24/311,342.40 = 82,821.60/x
  3. Step 3: Cross multiply
    207,570.24x = 311,342.40 × 82,821.60
  4. Step 4: Simplify right side
    207,570.24x = 25,785,875,715.84
  5. Step 5: Solve for x
    x = 25,785,875,715.84/207,570.24
  6. Step 6: Final answer
    x = 124,227.23

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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.