Finding the Fourth Proportional to 236,917.08, 326,944.80 and 129,487.14
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Solution
The fourth proportional to 236,917.08, 326,944.80 and 129,487.14 is: 178,691.83
Step by Step Solution
- Step 1: Write the proportion equation
236,917.08 : 326,944.80 = 129,487.14 : x - Step 2: Convert to fraction form
236,917.08/326,944.80 = 129,487.14/x - Step 3: Cross multiply
236,917.08x = 326,944.80 × 129,487.14 - Step 4: Simplify right side
236,917.08x = 42,335,147,089.87 - Step 5: Solve for x
x = 42,335,147,089.87/236,917.08 - Step 6: Final answer
x = 178,691.83
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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.