Home / 330,142.64-456,024.21-273,012.73

Finding the Fourth Proportional to 330,142.64, 456,024.21 and 273,012.73

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Solution

The fourth proportional to 330,142.64, 456,024.21 and 273,012.73 is: 377,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,142.64 : 456,024.21 = 273,012.73 : x
  2. Step 2: Convert to fraction form
    330,142.64/456,024.21 = 273,012.73/x
  3. Step 3: Cross multiply
    330,142.64x = 456,024.21 × 273,012.73
  4. Step 4: Simplify right side
    330,142.64x = 124,500,414,401.93
  5. Step 5: Solve for x
    x = 124,500,414,401.93/330,142.64
  6. Step 6: Final answer
    x = 377,110.98

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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.