Home / 643,033.22-964,550.07-238,364.57

Finding the Fourth Proportional to 643,033.22, 964,550.07 and 238,364.57

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Solution

The fourth proportional to 643,033.22, 964,550.07 and 238,364.57 is: 357,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,033.22 : 964,550.07 = 238,364.57 : x
  2. Step 2: Convert to fraction form
    643,033.22/964,550.07 = 238,364.57/x
  3. Step 3: Cross multiply
    643,033.22x = 964,550.07 × 238,364.57
  4. Step 4: Simplify right side
    643,033.22x = 229,914,562,679.02
  5. Step 5: Solve for x
    x = 229,914,562,679.02/643,033.22
  6. Step 6: Final answer
    x = 357,546.94

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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.