Home / 240,720.94-332,190.57-133,290.64

Finding the Fourth Proportional to 240,720.94, 332,190.57 and 133,290.64

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Solution

The fourth proportional to 240,720.94, 332,190.57 and 133,290.64 is: 183,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,720.94 : 332,190.57 = 133,290.64 : x
  2. Step 2: Convert to fraction form
    240,720.94/332,190.57 = 133,290.64/x
  3. Step 3: Cross multiply
    240,720.94x = 332,190.57 × 133,290.64
  4. Step 4: Simplify right side
    240,720.94x = 44,277,893,677.26
  5. Step 5: Solve for x
    x = 44,277,893,677.26/240,720.94
  6. Step 6: Final answer
    x = 183,938.69

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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.