Finding the Fourth Proportional to 125,545.08, 188,317.92 and 30,775.68
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Solution
The fourth proportional to 125,545.08, 188,317.92 and 30,775.68 is: 46,163.59
Step by Step Solution
- Step 1: Write the proportion equation
125,545.08 : 188,317.92 = 30,775.68 : x - Step 2: Convert to fraction form
125,545.08/188,317.92 = 30,775.68/x - Step 3: Cross multiply
125,545.08x = 188,317.92 × 30,775.68 - Step 4: Simplify right side
125,545.08x = 5,795,612,044.19 - Step 5: Solve for x
x = 5,795,612,044.19/125,545.08 - Step 6: Final answer
x = 46,163.59
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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.