Home / 347,961.80-521,942.70-98,645.96

Finding the Fourth Proportional to 347,961.80, 521,942.70 and 98,645.96

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Solution

The fourth proportional to 347,961.80, 521,942.70 and 98,645.96 is: 147,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,961.80 : 521,942.70 = 98,645.96 : x
  2. Step 2: Convert to fraction form
    347,961.80/521,942.70 = 98,645.96/x
  3. Step 3: Cross multiply
    347,961.80x = 521,942.70 × 98,645.96
  4. Step 4: Simplify right side
    347,961.80x = 51,487,538,706.49
  5. Step 5: Solve for x
    x = 51,487,538,706.49/347,961.80
  6. Step 6: Final answer
    x = 147,968.94

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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.