Home / 311,028.28-466,616.45-100,666.21

Finding the Fourth Proportional to 311,028.28, 466,616.45 and 100,666.21

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Solution

The fourth proportional to 311,028.28, 466,616.45 and 100,666.21 is: 151,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,028.28 : 466,616.45 = 100,666.21 : x
  2. Step 2: Convert to fraction form
    311,028.28/466,616.45 = 100,666.21/x
  3. Step 3: Cross multiply
    311,028.28x = 466,616.45 × 100,666.21
  4. Step 4: Simplify right side
    311,028.28x = 46,972,506,708.74
  5. Step 5: Solve for x
    x = 46,972,506,708.74/311,028.28
  6. Step 6: Final answer
    x = 151,023.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.