Finding the Fourth Proportional to 173,727.92, 239,703.18 and 105,744.08
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Solution
The fourth proportional to 173,727.92, 239,703.18 and 105,744.08 is: 145,901.66
Step by Step Solution
- Step 1: Write the proportion equation
173,727.92 : 239,703.18 = 105,744.08 : x - Step 2: Convert to fraction form
173,727.92/239,703.18 = 105,744.08/x - Step 3: Cross multiply
173,727.92x = 239,703.18 × 105,744.08 - Step 4: Simplify right side
173,727.92x = 25,347,192,242.17 - Step 5: Solve for x
x = 25,347,192,242.17/173,727.92 - Step 6: Final answer
x = 145,901.66
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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.