Finding the Fourth Proportional to 135,418.59, 203,146.80 and 56,514.75
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Solution
The fourth proportional to 135,418.59, 203,146.80 and 56,514.75 is: 84,780.02
Step by Step Solution
- Step 1: Write the proportion equation
135,418.59 : 203,146.80 = 56,514.75 : x - Step 2: Convert to fraction form
135,418.59/203,146.80 = 56,514.75/x - Step 3: Cross multiply
135,418.59x = 203,146.80 × 56,514.75 - Step 4: Simplify right side
135,418.59x = 11,480,790,615.30 - Step 5: Solve for x
x = 11,480,790,615.30/135,418.59 - Step 6: Final answer
x = 84,780.02
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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.