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Finding the Fourth Proportional to 348,844, 523,344 and 127,228

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Solution

The fourth proportional to 348,844, 523,344 and 127,228 is: 190,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,844 : 523,344 = 127,228 : x
  2. Step 2: Convert to fraction form
    348,844/523,344 = 127,228/x
  3. Step 3: Cross multiply
    348,844x = 523,344 × 127,228
  4. Step 4: Simplify right side
    348,844x = 66,584,010,432
  5. Step 5: Solve for x
    x = 66,584,010,432/348,844
  6. Step 6: Final answer
    x = 190,870.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.