Finding the Fourth Proportional to 251,067.62, 346,473.51 and 136,344.08
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Solution
The fourth proportional to 251,067.62, 346,473.51 and 136,344.08 is: 188,154.94
Step by Step Solution
- Step 1: Write the proportion equation
251,067.62 : 346,473.51 = 136,344.08 : x - Step 2: Convert to fraction form
251,067.62/346,473.51 = 136,344.08/x - Step 3: Cross multiply
251,067.62x = 346,473.51 × 136,344.08 - Step 4: Simplify right side
251,067.62x = 47,239,611,965.32 - Step 5: Solve for x
x = 47,239,611,965.32/251,067.62 - Step 6: Final answer
x = 188,154.94
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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.