Finding the Fourth Proportional to 317,214.27, 475,530.00 and 137,187.09
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Solution
The fourth proportional to 317,214.27, 475,530.00 and 137,187.09 is: 205,654.62
Step by Step Solution
- Step 1: Write the proportion equation
317,214.27 : 475,530.00 = 137,187.09 : x - Step 2: Convert to fraction form
317,214.27/475,530.00 = 137,187.09/x - Step 3: Cross multiply
317,214.27x = 475,530.00 × 137,187.09 - Step 4: Simplify right side
317,214.27x = 65,236,578,695.27 - Step 5: Solve for x
x = 65,236,578,695.27/317,214.27 - Step 6: Final answer
x = 205,654.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.