Finding the Fourth Proportional to 251,231.82, 346,695.99 and 138,052.14
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Solution
The fourth proportional to 251,231.82, 346,695.99 and 138,052.14 is: 190,509.80
Step by Step Solution
- Step 1: Write the proportion equation
251,231.82 : 346,695.99 = 138,052.14 : x - Step 2: Convert to fraction form
251,231.82/346,695.99 = 138,052.14/x - Step 3: Cross multiply
251,231.82x = 346,695.99 × 138,052.14 - Step 4: Simplify right side
251,231.82x = 47,862,123,348.92 - Step 5: Solve for x
x = 47,862,123,348.92/251,231.82 - Step 6: Final answer
x = 190,509.80
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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.