Home / 371,600.76-512,811.18-201,836.28

Finding the Fourth Proportional to 371,600.76, 512,811.18 and 201,836.28

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Solution

The fourth proportional to 371,600.76, 512,811.18 and 201,836.28 is: 278,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,600.76 : 512,811.18 = 201,836.28 : x
  2. Step 2: Convert to fraction form
    371,600.76/512,811.18 = 201,836.28/x
  3. Step 3: Cross multiply
    371,600.76x = 512,811.18 × 201,836.28
  4. Step 4: Simplify right side
    371,600.76x = 103,503,900,913.61
  5. Step 5: Solve for x
    x = 103,503,900,913.61/371,600.76
  6. Step 6: Final answer
    x = 278,535.22

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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.