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Finding the Fourth Proportional to 339,199.34, 508,909.56 and 170,632.67

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Solution

The fourth proportional to 339,199.34, 508,909.56 and 170,632.67 is: 256,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,199.34 : 508,909.56 = 170,632.67 : x
  2. Step 2: Convert to fraction form
    339,199.34/508,909.56 = 170,632.67/x
  3. Step 3: Cross multiply
    339,199.34x = 508,909.56 × 170,632.67
  4. Step 4: Simplify right side
    339,199.34x = 86,836,594,466.78
  5. Step 5: Solve for x
    x = 86,836,594,466.78/339,199.34
  6. Step 6: Final answer
    x = 256,004.61

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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.