Finding the Fourth Proportional to 135,696.77, 203,545.68 and 56,755.62
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Solution
The fourth proportional to 135,696.77, 203,545.68 and 56,755.62 is: 85,133.65
Step by Step Solution
- Step 1: Write the proportion equation
135,696.77 : 203,545.68 = 56,755.62 : x - Step 2: Convert to fraction form
135,696.77/203,545.68 = 56,755.62/x - Step 3: Cross multiply
135,696.77x = 203,545.68 × 56,755.62 - Step 4: Simplify right side
135,696.77x = 11,552,361,053.89 - Step 5: Solve for x
x = 11,552,361,053.89/135,696.77 - Step 6: Final answer
x = 85,133.65
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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.