Finding the Fourth Proportional to 612,894.20, 919,341.29 and 192,202.88
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Solution
The fourth proportional to 612,894.20, 919,341.29 and 192,202.88 is: 288,304.31
Step by Step Solution
- Step 1: Write the proportion equation
612,894.20 : 919,341.29 = 192,202.88 : x - Step 2: Convert to fraction form
612,894.20/919,341.29 = 192,202.88/x - Step 3: Cross multiply
612,894.20x = 919,341.29 × 192,202.88 - Step 4: Simplify right side
612,894.20x = 176,700,039,524.72 - Step 5: Solve for x
x = 176,700,039,524.72/612,894.20 - Step 6: Final answer
x = 288,304.31
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Similar ratio
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1.5x scale
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.