Home / 330,142.46-456,023.96-273,012.54

Finding the Fourth Proportional to 330,142.46, 456,023.96 and 273,012.54

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Solution

The fourth proportional to 330,142.46, 456,023.96 and 273,012.54 is: 377,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,142.46 : 456,023.96 = 273,012.54 : x
  2. Step 2: Convert to fraction form
    330,142.46/456,023.96 = 273,012.54/x
  3. Step 3: Cross multiply
    330,142.46x = 456,023.96 × 273,012.54
  4. Step 4: Simplify right side
    330,142.46x = 124,500,258,255.40
  5. Step 5: Solve for x
    x = 124,500,258,255.40/330,142.46
  6. Step 6: Final answer
    x = 377,110.72

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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.