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Finding the Fourth Proportional to 528,950, 793,425 and 134,966

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Solution

The fourth proportional to 528,950, 793,425 and 134,966 is: 202,449

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,950 : 793,425 = 134,966 : x
  2. Step 2: Convert to fraction form
    528,950/793,425 = 134,966/x
  3. Step 3: Cross multiply
    528,950x = 793,425 × 134,966
  4. Step 4: Simplify right side
    528,950x = 107,085,398,550
  5. Step 5: Solve for x
    x = 107,085,398,550/528,950
  6. Step 6: Final answer
    x = 202,449

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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.