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Finding the Fourth Proportional to 348,842, 523,341 and 127,226

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Solution

The fourth proportional to 348,842, 523,341 and 127,226 is: 190,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,842 : 523,341 = 127,226 : x
  2. Step 2: Convert to fraction form
    348,842/523,341 = 127,226/x
  3. Step 3: Cross multiply
    348,842x = 523,341 × 127,226
  4. Step 4: Simplify right side
    348,842x = 66,582,582,066
  5. Step 5: Solve for x
    x = 66,582,582,066/348,842
  6. Step 6: Final answer
    x = 190,867.45

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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.