Finding the Fourth Proportional to 274,872.42, 379,508.76 and 171,663.84
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Solution
The fourth proportional to 274,872.42, 379,508.76 and 171,663.84 is: 237,011.52
Step by Step Solution
- Step 1: Write the proportion equation
274,872.42 : 379,508.76 = 171,663.84 : x - Step 2: Convert to fraction form
274,872.42/379,508.76 = 171,663.84/x - Step 3: Cross multiply
274,872.42x = 379,508.76 × 171,663.84 - Step 4: Simplify right side
274,872.42x = 65,147,931,055.24 - Step 5: Solve for x
x = 65,147,931,055.24/274,872.42 - Step 6: Final answer
x = 237,011.52
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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.