Home / 221,343.40-331,496.70-168,466.60

Finding the Fourth Proportional to 221,343.40, 331,496.70 and 168,466.60

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Solution

The fourth proportional to 221,343.40, 331,496.70 and 168,466.60 is: 252,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,343.40 : 331,496.70 = 168,466.60 : x
  2. Step 2: Convert to fraction form
    221,343.40/331,496.70 = 168,466.60/x
  3. Step 3: Cross multiply
    221,343.40x = 331,496.70 × 168,466.60
  4. Step 4: Simplify right side
    221,343.40x = 55,846,121,960.22
  5. Step 5: Solve for x
    x = 55,846,121,960.22/221,343.40
  6. Step 6: Final answer
    x = 252,305.34

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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.