Finding the Fourth Proportional to 163,216.17, 244,348.79 and 121,282.20
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Solution
The fourth proportional to 163,216.17, 244,348.79 and 121,282.20 is: 181,569.99
Step by Step Solution
- Step 1: Write the proportion equation
163,216.17 : 244,348.79 = 121,282.20 : x - Step 2: Convert to fraction form
163,216.17/244,348.79 = 121,282.20/x - Step 3: Cross multiply
163,216.17x = 244,348.79 × 121,282.20 - Step 4: Simplify right side
163,216.17x = 29,635,158,212.13 - Step 5: Solve for x
x = 29,635,158,212.13/163,216.17 - Step 6: Final answer
x = 181,569.99
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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.