Finding the Fourth Proportional to 290,531.11, 435,928.16 and 148,302.99
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Solution
The fourth proportional to 290,531.11, 435,928.16 and 148,302.99 is: 222,521.61
Step by Step Solution
- Step 1: Write the proportion equation
290,531.11 : 435,928.16 = 148,302.99 : x - Step 2: Convert to fraction form
290,531.11/435,928.16 = 148,302.99/x - Step 3: Cross multiply
290,531.11x = 435,928.16 × 148,302.99 - Step 4: Simplify right side
290,531.11x = 64,649,449,553.20 - Step 5: Solve for x
x = 64,649,449,553.20/290,531.11 - Step 6: Final answer
x = 222,521.61
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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.