Finding the Fourth Proportional to 356,298.14, 491,691.49 and 195,158.95
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Solution
The fourth proportional to 356,298.14, 491,691.49 and 195,158.95 is: 269,319.38
Step by Step Solution
- Step 1: Write the proportion equation
356,298.14 : 491,691.49 = 195,158.95 : x - Step 2: Convert to fraction form
356,298.14/491,691.49 = 195,158.95/x - Step 3: Cross multiply
356,298.14x = 491,691.49 × 195,158.95 - Step 4: Simplify right side
356,298.14x = 95,957,993,195.21 - Step 5: Solve for x
x = 95,957,993,195.21/356,298.14 - Step 6: Final answer
x = 269,319.38
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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.