Home / 330,837.23-456,190.70-228,685.34

Finding the Fourth Proportional to 330,837.23, 456,190.70 and 228,685.34

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Solution

The fourth proportional to 330,837.23, 456,190.70 and 228,685.34 is: 315,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,837.23 : 456,190.70 = 228,685.34 : x
  2. Step 2: Convert to fraction form
    330,837.23/456,190.70 = 228,685.34/x
  3. Step 3: Cross multiply
    330,837.23x = 456,190.70 × 228,685.34
  4. Step 4: Simplify right side
    330,837.23x = 104,324,126,615.25
  5. Step 5: Solve for x
    x = 104,324,126,615.25/330,837.23
  6. Step 6: Final answer
    x = 315,333.70

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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.