Finding the Fourth Proportional to 253,492.82, 349,817.09 and 138,770.09
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Solution
The fourth proportional to 253,492.82, 349,817.09 and 138,770.09 is: 191,501.08
Step by Step Solution
- Step 1: Write the proportion equation
253,492.82 : 349,817.09 = 138,770.09 : x - Step 2: Convert to fraction form
253,492.82/349,817.09 = 138,770.09/x - Step 3: Cross multiply
253,492.82x = 349,817.09 × 138,770.09 - Step 4: Simplify right side
253,492.82x = 48,544,146,619.90 - Step 5: Solve for x
x = 48,544,146,619.90/253,492.82 - Step 6: Final answer
x = 191,501.08
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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.