Finding the Fourth Proportional to 135,714.25, 203,572.68 and 51,451.75
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Solution
The fourth proportional to 135,714.25, 203,572.68 and 51,451.75 is: 77,178.12
Step by Step Solution
- Step 1: Write the proportion equation
135,714.25 : 203,572.68 = 51,451.75 : x - Step 2: Convert to fraction form
135,714.25/203,572.68 = 51,451.75/x - Step 3: Cross multiply
135,714.25x = 203,572.68 × 51,451.75 - Step 4: Simplify right side
135,714.25x = 10,474,170,638.19 - Step 5: Solve for x
x = 10,474,170,638.19/135,714.25 - Step 6: Final answer
x = 77,178.12
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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.