Home / 311,341.10-467,077.30-100,962.68

Finding the Fourth Proportional to 311,341.10, 467,077.30 and 100,962.68

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Solution

The fourth proportional to 311,341.10, 467,077.30 and 100,962.68 is: 151,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,341.10 : 467,077.30 = 100,962.68 : x
  2. Step 2: Convert to fraction form
    311,341.10/467,077.30 = 100,962.68/x
  3. Step 3: Cross multiply
    311,341.10x = 467,077.30 × 100,962.68
  4. Step 4: Simplify right side
    311,341.10x = 47,157,375,975.16
  5. Step 5: Solve for x
    x = 47,157,375,975.16/311,341.10
  6. Step 6: Final answer
    x = 151,465.31

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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.