Finding the Fourth Proportional to 547,552.55, 755,614.50 and 305,838.62
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Solution
The fourth proportional to 547,552.55, 755,614.50 and 305,838.62 is: 422,052.82
Step by Step Solution
- Step 1: Write the proportion equation
547,552.55 : 755,614.50 = 305,838.62 : x - Step 2: Convert to fraction form
547,552.55/755,614.50 = 305,838.62/x - Step 3: Cross multiply
547,552.55x = 755,614.50 × 305,838.62 - Step 4: Simplify right side
547,552.55x = 231,096,095,931.99 - Step 5: Solve for x
x = 231,096,095,931.99/547,552.55 - Step 6: Final answer
x = 422,052.82
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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.