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Finding the Fourth Proportional to 348,846, 523,347 and 127,230

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Solution

The fourth proportional to 348,846, 523,347 and 127,230 is: 190,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,846 : 523,347 = 127,230 : x
  2. Step 2: Convert to fraction form
    348,846/523,347 = 127,230/x
  3. Step 3: Cross multiply
    348,846x = 523,347 × 127,230
  4. Step 4: Simplify right side
    348,846x = 66,585,438,810
  5. Step 5: Solve for x
    x = 66,585,438,810/348,846
  6. Step 6: Final answer
    x = 190,873.45

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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.