Finding the Fourth Proportional to 218,960.61, 328,283.28 and 134,546.36
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Solution
The fourth proportional to 218,960.61, 328,283.28 and 134,546.36 is: 201,722.68
Step by Step Solution
- Step 1: Write the proportion equation
218,960.61 : 328,283.28 = 134,546.36 : x - Step 2: Convert to fraction form
218,960.61/328,283.28 = 134,546.36/x - Step 3: Cross multiply
218,960.61x = 328,283.28 × 134,546.36 - Step 4: Simplify right side
218,960.61x = 44,169,319,700.13 - Step 5: Solve for x
x = 44,169,319,700.13/218,960.61 - Step 6: Final answer
x = 201,722.68
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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.