Finding the Fourth Proportional to 276,853.24, 382,065.42 and 155,995.96
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Solution
The fourth proportional to 276,853.24, 382,065.42 and 155,995.96 is: 215,278.90
Step by Step Solution
- Step 1: Write the proportion equation
276,853.24 : 382,065.42 = 155,995.96 : x - Step 2: Convert to fraction form
276,853.24/382,065.42 = 155,995.96/x - Step 3: Cross multiply
276,853.24x = 382,065.42 × 155,995.96 - Step 4: Simplify right side
276,853.24x = 59,600,661,975.70 - Step 5: Solve for x
x = 59,600,661,975.70/276,853.24 - Step 6: Final answer
x = 215,278.90
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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.