Home / 311,042.06-466,557.51-100,680.20

Finding the Fourth Proportional to 311,042.06, 466,557.51 and 100,680.20

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Solution

The fourth proportional to 311,042.06, 466,557.51 and 100,680.20 is: 151,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,042.06 : 466,557.51 = 100,680.20 : x
  2. Step 2: Convert to fraction form
    311,042.06/466,557.51 = 100,680.20/x
  3. Step 3: Cross multiply
    311,042.06x = 466,557.51 × 100,680.20
  4. Step 4: Simplify right side
    311,042.06x = 46,973,103,418.30
  5. Step 5: Solve for x
    x = 46,973,103,418.30/311,042.06
  6. Step 6: Final answer
    x = 151,018.49

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1.5x scale

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.