Finding the Fourth Proportional to 239,718.94, 359,799.27 and 121,474.06
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Solution
The fourth proportional to 239,718.94, 359,799.27 and 121,474.06 is: 182,323.01
Step by Step Solution
- Step 1: Write the proportion equation
239,718.94 : 359,799.27 = 121,474.06 : x - Step 2: Convert to fraction form
239,718.94/359,799.27 = 121,474.06/x - Step 3: Cross multiply
239,718.94x = 359,799.27 × 121,474.06 - Step 4: Simplify right side
239,718.94x = 43,706,278,111.94 - Step 5: Solve for x
x = 43,706,278,111.94/239,718.94 - Step 6: Final answer
x = 182,323.01
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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.