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Finding the Fourth Proportional to 350,295.68, 525,517.38 and 113,619.93

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Solution

The fourth proportional to 350,295.68, 525,517.38 and 113,619.93 is: 170,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,295.68 : 525,517.38 = 113,619.93 : x
  2. Step 2: Convert to fraction form
    350,295.68/525,517.38 = 113,619.93/x
  3. Step 3: Cross multiply
    350,295.68x = 525,517.38 × 113,619.93
  4. Step 4: Simplify right side
    350,295.68x = 59,709,247,929.38
  5. Step 5: Solve for x
    x = 59,709,247,929.38/350,295.68
  6. Step 6: Final answer
    x = 170,453.85

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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.