Finding the Fourth Proportional to 234,360.19, 351,592.49 and 129,124.99
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Solution
The fourth proportional to 234,360.19, 351,592.49 and 129,124.99 is: 193,716.25
Step by Step Solution
- Step 1: Write the proportion equation
234,360.19 : 351,592.49 = 129,124.99 : x - Step 2: Convert to fraction form
234,360.19/351,592.49 = 129,124.99/x - Step 3: Cross multiply
234,360.19x = 351,592.49 × 129,124.99 - Step 4: Simplify right side
234,360.19x = 45,399,376,755.33 - Step 5: Solve for x
x = 45,399,376,755.33/234,360.19 - Step 6: Final answer
x = 193,716.25
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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.