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Finding the Fourth Proportional to 247,008.64, 340,871.97 and 133,831.39

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Solution

The fourth proportional to 247,008.64, 340,871.97 and 133,831.39 is: 184,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,008.64 : 340,871.97 = 133,831.39 : x
  2. Step 2: Convert to fraction form
    247,008.64/340,871.97 = 133,831.39/x
  3. Step 3: Cross multiply
    247,008.64x = 340,871.97 × 133,831.39
  4. Step 4: Simplify right side
    247,008.64x = 45,619,369,557.14
  5. Step 5: Solve for x
    x = 45,619,369,557.14/247,008.64
  6. Step 6: Final answer
    x = 184,687.34

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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.