Home / 207,679.14-311,514.23-57,915.44

Finding the Fourth Proportional to 207,679.14, 311,514.23 and 57,915.44

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Solution

The fourth proportional to 207,679.14, 311,514.23 and 57,915.44 is: 86,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,679.14 : 311,514.23 = 57,915.44 : x
  2. Step 2: Convert to fraction form
    207,679.14/311,514.23 = 57,915.44/x
  3. Step 3: Cross multiply
    207,679.14x = 311,514.23 × 57,915.44
  4. Step 4: Simplify right side
    207,679.14x = 18,041,482,139.14
  5. Step 5: Solve for x
    x = 18,041,482,139.14/207,679.14
  6. Step 6: Final answer
    x = 86,871.91

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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.