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Finding the Fourth Proportional to 344,173, 474,958.76 and 193,270

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Solution

The fourth proportional to 344,173, 474,958.76 and 193,270 is: 266,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,173 : 474,958.76 = 193,270 : x
  2. Step 2: Convert to fraction form
    344,173/474,958.76 = 193,270/x
  3. Step 3: Cross multiply
    344,173x = 474,958.76 × 193,270
  4. Step 4: Simplify right side
    344,173x = 91,795,279,545.20
  5. Step 5: Solve for x
    x = 91,795,279,545.20/344,173
  6. Step 6: Final answer
    x = 266,712.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.