Finding the Fourth Proportional to 326,177.80, 449,708.58 and 211,253.32
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Solution
The fourth proportional to 326,177.80, 449,708.58 and 211,253.32 is: 291,259.65
Step by Step Solution
- Step 1: Write the proportion equation
326,177.80 : 449,708.58 = 211,253.32 : x - Step 2: Convert to fraction form
326,177.80/449,708.58 = 211,253.32/x - Step 3: Cross multiply
326,177.80x = 449,708.58 × 211,253.32 - Step 4: Simplify right side
326,177.80x = 95,002,430,557.49 - Step 5: Solve for x
x = 95,002,430,557.49/326,177.80 - Step 6: Final answer
x = 291,259.65
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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.