Finding the Fourth Proportional to 251,243.88, 346,716.55 and 138,066.63
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Solution
The fourth proportional to 251,243.88, 346,716.55 and 138,066.63 is: 190,531.95
Step by Step Solution
- Step 1: Write the proportion equation
251,243.88 : 346,716.55 = 138,066.63 : x - Step 2: Convert to fraction form
251,243.88/346,716.55 = 138,066.63/x - Step 3: Cross multiply
251,243.88x = 346,716.55 × 138,066.63 - Step 4: Simplify right side
251,243.88x = 47,869,985,623.73 - Step 5: Solve for x
x = 47,869,985,623.73/251,243.88 - Step 6: Final answer
x = 190,531.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.