Finding the Fourth Proportional to 147,304.08, 203,279.76 and 80,236.08
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Solution
The fourth proportional to 147,304.08, 203,279.76 and 80,236.08 is: 110,725.86
Step by Step Solution
- Step 1: Write the proportion equation
147,304.08 : 203,279.76 = 80,236.08 : x - Step 2: Convert to fraction form
147,304.08/203,279.76 = 80,236.08/x - Step 3: Cross multiply
147,304.08x = 203,279.76 × 80,236.08 - Step 4: Simplify right side
147,304.08x = 16,310,371,085.74 - Step 5: Solve for x
x = 16,310,371,085.74/147,304.08 - Step 6: Final answer
x = 110,725.86
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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.