Finding the Fourth Proportional to 179,635.12, 247,893.02 and 99,070.09
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Solution
The fourth proportional to 179,635.12, 247,893.02 and 99,070.09 is: 136,714.82
Step by Step Solution
- Step 1: Write the proportion equation
179,635.12 : 247,893.02 = 99,070.09 : x - Step 2: Convert to fraction form
179,635.12/247,893.02 = 99,070.09/x - Step 3: Cross multiply
179,635.12x = 247,893.02 × 99,070.09 - Step 4: Simplify right side
179,635.12x = 24,558,783,306.42 - Step 5: Solve for x
x = 24,558,783,306.42/179,635.12 - Step 6: Final answer
x = 136,714.82
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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.