Finding the Fourth Proportional to 156,514.96, 215,989.06 and 84,893.44
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Solution
The fourth proportional to 156,514.96, 215,989.06 and 84,893.44 is: 117,152.09
Step by Step Solution
- Step 1: Write the proportion equation
156,514.96 : 215,989.06 = 84,893.44 : x - Step 2: Convert to fraction form
156,514.96/215,989.06 = 84,893.44/x - Step 3: Cross multiply
156,514.96x = 215,989.06 × 84,893.44 - Step 4: Simplify right side
156,514.96x = 18,336,054,305.77 - Step 5: Solve for x
x = 18,336,054,305.77/156,514.96 - Step 6: Final answer
x = 117,152.09
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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.