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Finding the Fourth Proportional to 371,283.37, 512,371.56 and 201,517.51

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Solution

The fourth proportional to 371,283.37, 512,371.56 and 201,517.51 is: 278,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,283.37 : 512,371.56 = 201,517.51 : x
  2. Step 2: Convert to fraction form
    371,283.37/512,371.56 = 201,517.51/x
  3. Step 3: Cross multiply
    371,283.37x = 512,371.56 × 201,517.51
  4. Step 4: Simplify right side
    371,283.37x = 103,251,840,966.02
  5. Step 5: Solve for x
    x = 103,251,840,966.02/371,283.37
  6. Step 6: Final answer
    x = 278,094.44

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1.5x scale

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.