Finding the Fourth Proportional to 395,324.87, 545,548.64 and 214,036.92
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Solution
The fourth proportional to 395,324.87, 545,548.64 and 214,036.92 is: 295,371.12
Step by Step Solution
- Step 1: Write the proportion equation
395,324.87 : 545,548.64 = 214,036.92 : x - Step 2: Convert to fraction form
395,324.87/545,548.64 = 214,036.92/x - Step 3: Cross multiply
395,324.87x = 545,548.64 × 214,036.92 - Step 4: Simplify right side
395,324.87x = 116,767,549,545.60 - Step 5: Solve for x
x = 116,767,549,545.60/395,324.87 - Step 6: Final answer
x = 295,371.12
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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.