Finding the Fourth Proportional to 508,737.70, 763,214.49 and 193,187.62
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Solution
The fourth proportional to 508,737.70, 763,214.49 and 193,187.62 is: 289,822.42
Step by Step Solution
- Step 1: Write the proportion equation
508,737.70 : 763,214.49 = 193,187.62 : x - Step 2: Convert to fraction form
508,737.70/763,214.49 = 193,187.62/x - Step 3: Cross multiply
508,737.70x = 763,214.49 × 193,187.62 - Step 4: Simplify right side
508,737.70x = 147,443,590,872.61 - Step 5: Solve for x
x = 147,443,590,872.61/508,737.70 - Step 6: Final answer
x = 289,822.42
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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.