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Finding the Fourth Proportional to 349,116.72, 481,831.32 and 252,633.84

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Solution

The fourth proportional to 349,116.72, 481,831.32 and 252,633.84 is: 348,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,116.72 : 481,831.32 = 252,633.84 : x
  2. Step 2: Convert to fraction form
    349,116.72/481,831.32 = 252,633.84/x
  3. Step 3: Cross multiply
    349,116.72x = 481,831.32 × 252,633.84
  4. Step 4: Simplify right side
    349,116.72x = 121,726,896,603.87
  5. Step 5: Solve for x
    x = 121,726,896,603.87/349,116.72
  6. Step 6: Final answer
    x = 348,671.06

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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.