Finding the Fourth Proportional to 202,766.73, 279,812.54 and 112,119.68
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Solution
The fourth proportional to 202,766.73, 279,812.54 and 112,119.68 is: 154,722.09
Step by Step Solution
- Step 1: Write the proportion equation
202,766.73 : 279,812.54 = 112,119.68 : x - Step 2: Convert to fraction form
202,766.73/279,812.54 = 112,119.68/x - Step 3: Cross multiply
202,766.73x = 279,812.54 × 112,119.68 - Step 4: Simplify right side
202,766.73x = 31,372,492,444.79 - Step 5: Solve for x
x = 31,372,492,444.79/202,766.73 - Step 6: Final answer
x = 154,722.09
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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.