Home / 311,420.08-467,087.82-121,748.50

Finding the Fourth Proportional to 311,420.08, 467,087.82 and 121,748.50

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Solution

The fourth proportional to 311,420.08, 467,087.82 and 121,748.50 is: 182,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,420.08 : 467,087.82 = 121,748.50 : x
  2. Step 2: Convert to fraction form
    311,420.08/467,087.82 = 121,748.50/x
  3. Step 3: Cross multiply
    311,420.08x = 467,087.82 × 121,748.50
  4. Step 4: Simplify right side
    311,420.08x = 56,867,241,453.27
  5. Step 5: Solve for x
    x = 56,867,241,453.27/311,420.08
  6. Step 6: Final answer
    x = 182,606.21

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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.