Finding the Fourth Proportional to 354,531.49, 531,716.23 and 101,809.99
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Solution
The fourth proportional to 354,531.49, 531,716.23 and 101,809.99 is: 152,691.72
Step by Step Solution
- Step 1: Write the proportion equation
354,531.49 : 531,716.23 = 101,809.99 : x - Step 2: Convert to fraction form
354,531.49/531,716.23 = 101,809.99/x - Step 3: Cross multiply
354,531.49x = 531,716.23 × 101,809.99 - Step 4: Simplify right side
354,531.49x = 54,134,024,059.14 - Step 5: Solve for x
x = 54,134,024,059.14/354,531.49 - Step 6: Final answer
x = 152,691.72
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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.