Home / 311,962.24-467,943.36-90,346.24

Finding the Fourth Proportional to 311,962.24, 467,943.36 and 90,346.24

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Solution

The fourth proportional to 311,962.24, 467,943.36 and 90,346.24 is: 135,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,962.24 : 467,943.36 = 90,346.24 : x
  2. Step 2: Convert to fraction form
    311,962.24/467,943.36 = 90,346.24/x
  3. Step 3: Cross multiply
    311,962.24x = 467,943.36 × 90,346.24
  4. Step 4: Simplify right side
    311,962.24x = 42,276,923,108.97
  5. Step 5: Solve for x
    x = 42,276,923,108.97/311,962.24
  6. Step 6: Final answer
    x = 135,519.36

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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.