Home / 207,386.45-311,079.49-57,626.66

Finding the Fourth Proportional to 207,386.45, 311,079.49 and 57,626.66

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Solution

The fourth proportional to 207,386.45, 311,079.49 and 57,626.66 is: 86,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,386.45 : 311,079.49 = 57,626.66 : x
  2. Step 2: Convert to fraction form
    207,386.45/311,079.49 = 57,626.66/x
  3. Step 3: Cross multiply
    207,386.45x = 311,079.49 × 57,626.66
  4. Step 4: Simplify right side
    207,386.45x = 17,926,471,715.07
  5. Step 5: Solve for x
    x = 17,926,471,715.07/207,386.45
  6. Step 6: Final answer
    x = 86,439.94

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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.