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Finding the Fourth Proportional to 350,295.64, 525,517.26 and 113,619.88

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Solution

The fourth proportional to 350,295.64, 525,517.26 and 113,619.88 is: 170,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,295.64 : 525,517.26 = 113,619.88 : x
  2. Step 2: Convert to fraction form
    350,295.64/525,517.26 = 113,619.88/x
  3. Step 3: Cross multiply
    350,295.64x = 525,517.26 × 113,619.88
  4. Step 4: Simplify right side
    350,295.64x = 59,709,208,019.13
  5. Step 5: Solve for x
    x = 59,709,208,019.13/350,295.64
  6. Step 6: Final answer
    x = 170,453.76

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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.