Finding the Fourth Proportional to 547,286.84, 755,248.68 and 305,573.52
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Solution
The fourth proportional to 547,286.84, 755,248.68 and 305,573.52 is: 421,687.46
Step by Step Solution
- Step 1: Write the proportion equation
547,286.84 : 755,248.68 = 305,573.52 : x - Step 2: Convert to fraction form
547,286.84/755,248.68 = 305,573.52/x - Step 3: Cross multiply
547,286.84x = 755,248.68 × 305,573.52 - Step 4: Simplify right side
547,286.84x = 230,783,997,622.95 - Step 5: Solve for x
x = 230,783,997,622.95/547,286.84 - Step 6: Final answer
x = 421,687.46
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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.