Finding the Fourth Proportional to 344,342.82, 475,249.49 and 286,891.03
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Solution
The fourth proportional to 344,342.82, 475,249.49 and 286,891.03 is: 395,956.61
Step by Step Solution
- Step 1: Write the proportion equation
344,342.82 : 475,249.49 = 286,891.03 : x - Step 2: Convert to fraction form
344,342.82/475,249.49 = 286,891.03/x - Step 3: Cross multiply
344,342.82x = 475,249.49 × 286,891.03 - Step 4: Simplify right side
344,342.82x = 136,344,815,693.08 - Step 5: Solve for x
x = 136,344,815,693.08/344,342.82 - Step 6: Final answer
x = 395,956.61
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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.