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Finding the Fourth Proportional to 330,150.89, 495,509.12 and 327,665.81

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Solution

The fourth proportional to 330,150.89, 495,509.12 and 327,665.81 is: 491,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,150.89 : 495,509.12 = 327,665.81 : x
  2. Step 2: Convert to fraction form
    330,150.89/495,509.12 = 327,665.81/x
  3. Step 3: Cross multiply
    330,150.89x = 495,509.12 × 327,665.81
  4. Step 4: Simplify right side
    330,150.89x = 162,361,395,528.86
  5. Step 5: Solve for x
    x = 162,361,395,528.86/330,150.89
  6. Step 6: Final answer
    x = 491,779.37

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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.