Finding the Fourth Proportional to 516,721.68, 774,664.29 and 161,552.88
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Solution
The fourth proportional to 516,721.68, 774,664.29 and 161,552.88 is: 242,198.56
Step by Step Solution
- Step 1: Write the proportion equation
516,721.68 : 774,664.29 = 161,552.88 : x - Step 2: Convert to fraction form
516,721.68/774,664.29 = 161,552.88/x - Step 3: Cross multiply
516,721.68x = 774,664.29 × 161,552.88 - Step 4: Simplify right side
516,721.68x = 125,149,247,082.66 - Step 5: Solve for x
x = 125,149,247,082.66/516,721.68 - Step 6: Final answer
x = 242,198.56
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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.