Finding the Fourth Proportional to 202,364.75, 303,562.11 and 77,705.75
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Solution
The fourth proportional to 202,364.75, 303,562.11 and 77,705.75 is: 116,564.38
Step by Step Solution
- Step 1: Write the proportion equation
202,364.75 : 303,562.11 = 77,705.75 : x - Step 2: Convert to fraction form
202,364.75/303,562.11 = 77,705.75/x - Step 3: Cross multiply
202,364.75x = 303,562.11 × 77,705.75 - Step 4: Simplify right side
202,364.75x = 23,588,521,429.13 - Step 5: Solve for x
x = 23,588,521,429.13/202,364.75 - Step 6: Final answer
x = 116,564.38
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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.