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Finding the Fourth Proportional to 442,443.33, 610,571.97 and 251,451.81

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Solution

The fourth proportional to 442,443.33, 610,571.97 and 251,451.81 is: 347,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,443.33 : 610,571.97 = 251,451.81 : x
  2. Step 2: Convert to fraction form
    442,443.33/610,571.97 = 251,451.81/x
  3. Step 3: Cross multiply
    442,443.33x = 610,571.97 × 251,451.81
  4. Step 4: Simplify right side
    442,443.33x = 153,529,426,991.77
  5. Step 5: Solve for x
    x = 153,529,426,991.77/442,443.33
  6. Step 6: Final answer
    x = 347,003.60

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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.