Finding the Fourth Proportional to 286,207.17, 395,037.49 and 165,424.29
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Solution
The fourth proportional to 286,207.17, 395,037.49 and 165,424.29 is: 228,326.90
Step by Step Solution
- Step 1: Write the proportion equation
286,207.17 : 395,037.49 = 165,424.29 : x - Step 2: Convert to fraction form
286,207.17/395,037.49 = 165,424.29/x - Step 3: Cross multiply
286,207.17x = 395,037.49 × 165,424.29 - Step 4: Simplify right side
286,207.17x = 65,348,796,306.63 - Step 5: Solve for x
x = 65,348,796,306.63/286,207.17 - Step 6: Final answer
x = 228,326.90
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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.