Home / 207,614.46-311,421.88-57,855.18

Finding the Fourth Proportional to 207,614.46, 311,421.88 and 57,855.18

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Solution

The fourth proportional to 207,614.46, 311,421.88 and 57,855.18 is: 86,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,614.46 : 311,421.88 = 57,855.18 : x
  2. Step 2: Convert to fraction form
    207,614.46/311,421.88 = 57,855.18/x
  3. Step 3: Cross multiply
    207,614.46x = 311,421.88 × 57,855.18
  4. Step 4: Simplify right side
    207,614.46x = 18,017,368,923.34
  5. Step 5: Solve for x
    x = 18,017,368,923.34/207,614.46
  6. Step 6: Final answer
    x = 86,782.82

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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.