Finding the Fourth Proportional to 205,524.24, 307,511.16 and 121,330.20
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Solution
The fourth proportional to 205,524.24, 307,511.16 and 121,330.20 is: 181,537.66
Step by Step Solution
- Step 1: Write the proportion equation
205,524.24 : 307,511.16 = 121,330.20 : x - Step 2: Convert to fraction form
205,524.24/307,511.16 = 121,330.20/x - Step 3: Cross multiply
205,524.24x = 307,511.16 × 121,330.20 - Step 4: Simplify right side
205,524.24x = 37,310,390,545.03 - Step 5: Solve for x
x = 37,310,390,545.03/205,524.24 - Step 6: Final answer
x = 181,537.66
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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.