Home / 268,122.71-370,012.39-147,266.81

Finding the Fourth Proportional to 268,122.71, 370,012.39 and 147,266.81

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Solution

The fourth proportional to 268,122.71, 370,012.39 and 147,266.81 is: 203,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,122.71 : 370,012.39 = 147,266.81 : x
  2. Step 2: Convert to fraction form
    268,122.71/370,012.39 = 147,266.81/x
  3. Step 3: Cross multiply
    268,122.71x = 370,012.39 × 147,266.81
  4. Step 4: Simplify right side
    268,122.71x = 54,490,543,505.09
  5. Step 5: Solve for x
    x = 54,490,543,505.09/268,122.71
  6. Step 6: Final answer
    x = 203,229.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.