Finding the Fourth Proportional to 305,988.75, 422,304.08 and 171,852.75
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Solution
The fourth proportional to 305,988.75, 422,304.08 and 171,852.75 is: 237,179.04
Step by Step Solution
- Step 1: Write the proportion equation
305,988.75 : 422,304.08 = 171,852.75 : x - Step 2: Convert to fraction form
305,988.75/422,304.08 = 171,852.75/x - Step 3: Cross multiply
305,988.75x = 422,304.08 × 171,852.75 - Step 4: Simplify right side
305,988.75x = 72,574,116,624.96 - Step 5: Solve for x
x = 72,574,116,624.96/305,988.75 - Step 6: Final answer
x = 237,179.04
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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.