Home / 328,112.76-491,785.20-150,636.90

Finding the Fourth Proportional to 328,112.76, 491,785.20 and 150,636.90

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Solution

The fourth proportional to 328,112.76, 491,785.20 and 150,636.90 is: 225,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,112.76 : 491,785.20 = 150,636.90 : x
  2. Step 2: Convert to fraction form
    328,112.76/491,785.20 = 150,636.90/x
  3. Step 3: Cross multiply
    328,112.76x = 491,785.20 × 150,636.90
  4. Step 4: Simplify right side
    328,112.76x = 74,080,997,993.88
  5. Step 5: Solve for x
    x = 74,080,997,993.88/328,112.76
  6. Step 6: Final answer
    x = 225,779.08

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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.