Finding the Fourth Proportional to 271,752.98, 405,799.48 and 221,931.91
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Solution
The fourth proportional to 271,752.98, 405,799.48 and 221,931.91 is: 331,403.37
Step by Step Solution
- Step 1: Write the proportion equation
271,752.98 : 405,799.48 = 221,931.91 : x - Step 2: Convert to fraction form
271,752.98/405,799.48 = 221,931.91/x - Step 3: Cross multiply
271,752.98x = 405,799.48 × 221,931.91 - Step 4: Simplify right side
271,752.98x = 90,059,853,673.41 - Step 5: Solve for x
x = 90,059,853,673.41/271,752.98 - Step 6: Final answer
x = 331,403.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.