Home / 306,353.30-422,704.98-179,004.28

Finding the Fourth Proportional to 306,353.30, 422,704.98 and 179,004.28

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Solution

The fourth proportional to 306,353.30, 422,704.98 and 179,004.28 is: 246,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,353.30 : 422,704.98 = 179,004.28 : x
  2. Step 2: Convert to fraction form
    306,353.30/422,704.98 = 179,004.28/x
  3. Step 3: Cross multiply
    306,353.30x = 422,704.98 × 179,004.28
  4. Step 4: Simplify right side
    306,353.30x = 75,666,000,597.31
  5. Step 5: Solve for x
    x = 75,666,000,597.31/306,353.30
  6. Step 6: Final answer
    x = 246,989.34

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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.