Home / 207,675.35-311,508.55-57,911.65

Finding the Fourth Proportional to 207,675.35, 311,508.55 and 57,911.65

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Solution

The fourth proportional to 207,675.35, 311,508.55 and 57,911.65 is: 86,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,675.35 : 311,508.55 = 57,911.65 : x
  2. Step 2: Convert to fraction form
    207,675.35/311,508.55 = 57,911.65/x
  3. Step 3: Cross multiply
    207,675.35x = 311,508.55 × 57,911.65
  4. Step 4: Simplify right side
    207,675.35x = 18,039,974,119.61
  5. Step 5: Solve for x
    x = 18,039,974,119.61/207,675.35
  6. Step 6: Final answer
    x = 86,866.23

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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.