Finding the Fourth Proportional to 178,702.04, 246,590.42 and 107,080.20
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Solution
The fourth proportional to 178,702.04, 246,590.42 and 107,080.20 is: 147,759.65
Step by Step Solution
- Step 1: Write the proportion equation
178,702.04 : 246,590.42 = 107,080.20 : x - Step 2: Convert to fraction form
178,702.04/246,590.42 = 107,080.20/x - Step 3: Cross multiply
178,702.04x = 246,590.42 × 107,080.20 - Step 4: Simplify right side
178,702.04x = 26,404,951,491.68 - Step 5: Solve for x
x = 26,404,951,491.68/178,702.04 - Step 6: Final answer
x = 147,759.65
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1.5x scale
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.