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Finding the Fourth Proportional to 371,572.36, 512,769.41 and 201,805.27

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Solution

The fourth proportional to 371,572.36, 512,769.41 and 201,805.27 is: 278,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,572.36 : 512,769.41 = 201,805.27 : x
  2. Step 2: Convert to fraction form
    371,572.36/512,769.41 = 201,805.27/x
  3. Step 3: Cross multiply
    371,572.36x = 512,769.41 × 201,805.27
  4. Step 4: Simplify right side
    371,572.36x = 103,479,569,232.79
  5. Step 5: Solve for x
    x = 103,479,569,232.79/371,572.36
  6. Step 6: Final answer
    x = 278,491.03

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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.