Finding the Fourth Proportional to 253,534.58, 349,863.84 and 138,791.03
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Solution
The fourth proportional to 253,534.58, 349,863.84 and 138,791.03 is: 191,524.02
Step by Step Solution
- Step 1: Write the proportion equation
253,534.58 : 349,863.84 = 138,791.03 : x - Step 2: Convert to fraction form
253,534.58/349,863.84 = 138,791.03/x - Step 3: Cross multiply
253,534.58x = 349,863.84 × 138,791.03 - Step 4: Simplify right side
253,534.58x = 48,557,960,964.04 - Step 5: Solve for x
x = 48,557,960,964.04/253,534.58 - Step 6: Final answer
x = 191,524.02
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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.