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Finding the Fourth Proportional to 235,575.02, 325,199.67 and 155,044.82

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Solution

The fourth proportional to 235,575.02, 325,199.67 and 155,044.82 is: 214,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,575.02 : 325,199.67 = 155,044.82 : x
  2. Step 2: Convert to fraction form
    235,575.02/325,199.67 = 155,044.82/x
  3. Step 3: Cross multiply
    235,575.02x = 325,199.67 × 155,044.82
  4. Step 4: Simplify right side
    235,575.02x = 50,420,524,299.21
  5. Step 5: Solve for x
    x = 50,420,524,299.21/235,575.02
  6. Step 6: Final answer
    x = 214,031.71

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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.