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Finding the Fourth Proportional to 371,262.52, 512,342 and 201,496.78

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Solution

The fourth proportional to 371,262.52, 512,342 and 201,496.78 is: 278,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,262.52 : 512,342 = 201,496.78 : x
  2. Step 2: Convert to fraction form
    371,262.52/512,342 = 201,496.78/x
  3. Step 3: Cross multiply
    371,262.52x = 512,342 × 201,496.78
  4. Step 4: Simplify right side
    371,262.52x = 103,235,263,258.76
  5. Step 5: Solve for x
    x = 103,235,263,258.76/371,262.52
  6. Step 6: Final answer
    x = 278,065.41

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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.