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Finding the Fourth Proportional to 508,105.69, 762,453.71 and 227,622.94

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Solution

The fourth proportional to 508,105.69, 762,453.71 and 227,622.94 is: 341,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,105.69 : 762,453.71 = 227,622.94 : x
  2. Step 2: Convert to fraction form
    508,105.69/762,453.71 = 227,622.94/x
  3. Step 3: Cross multiply
    508,105.69x = 762,453.71 × 227,622.94
  4. Step 4: Simplify right side
    508,105.69x = 173,551,957,182.25
  5. Step 5: Solve for x
    x = 173,551,957,182.25/508,105.69
  6. Step 6: Final answer
    x = 341,566.65

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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.