Finding the Fourth Proportional to 612,895.20, 919,342.79 and 192,203.88
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Solution
The fourth proportional to 612,895.20, 919,342.79 and 192,203.88 is: 288,305.82
Step by Step Solution
- Step 1: Write the proportion equation
612,895.20 : 919,342.79 = 192,203.88 : x - Step 2: Convert to fraction form
612,895.20/919,342.79 = 192,203.88/x - Step 3: Cross multiply
612,895.20x = 919,342.79 × 192,203.88 - Step 4: Simplify right side
612,895.20x = 176,701,251,288.03 - Step 5: Solve for x
x = 176,701,251,288.03/612,895.20 - Step 6: Final answer
x = 288,305.82
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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.