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Finding the Fourth Proportional to 624,571.97, 936,854.83 and 151,257.32

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Solution

The fourth proportional to 624,571.97, 936,854.83 and 151,257.32 is: 226,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,571.97 : 936,854.83 = 151,257.32 : x
  2. Step 2: Convert to fraction form
    624,571.97/936,854.83 = 151,257.32/x
  3. Step 3: Cross multiply
    624,571.97x = 936,854.83 × 151,257.32
  4. Step 4: Simplify right side
    624,571.97x = 141,706,153,346.06
  5. Step 5: Solve for x
    x = 141,706,153,346.06/624,571.97
  6. Step 6: Final answer
    x = 226,885.23

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Why These Related Problems?

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