Finding the Fourth Proportional to 203,904.12, 305,856.36 and 77,514.68
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Solution
The fourth proportional to 203,904.12, 305,856.36 and 77,514.68 is: 116,272.09
Step by Step Solution
- Step 1: Write the proportion equation
203,904.12 : 305,856.36 = 77,514.68 : x - Step 2: Convert to fraction form
203,904.12/305,856.36 = 77,514.68/x - Step 3: Cross multiply
203,904.12x = 305,856.36 × 77,514.68 - Step 4: Simplify right side
203,904.12x = 23,708,357,871.36 - Step 5: Solve for x
x = 23,708,357,871.36/203,904.12 - Step 6: Final answer
x = 116,272.09
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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.