Home / 306,420.03-422,887.64-179,114.76

Finding the Fourth Proportional to 306,420.03, 422,887.64 and 179,114.76

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Solution

The fourth proportional to 306,420.03, 422,887.64 and 179,114.76 is: 247,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,420.03 : 422,887.64 = 179,114.76 : x
  2. Step 2: Convert to fraction form
    306,420.03/422,887.64 = 179,114.76/x
  3. Step 3: Cross multiply
    306,420.03x = 422,887.64 × 179,114.76
  4. Step 4: Simplify right side
    306,420.03x = 75,745,417,249.99
  5. Step 5: Solve for x
    x = 75,745,417,249.99/306,420.03
  6. Step 6: Final answer
    x = 247,194.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.