Finding the Fourth Proportional to 392,728.99, 588,594.73 and 203,153.76
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Solution
The fourth proportional to 392,728.99, 588,594.73 and 203,153.76 is: 304,472.64
Step by Step Solution
- Step 1: Write the proportion equation
392,728.99 : 588,594.73 = 203,153.76 : x - Step 2: Convert to fraction form
392,728.99/588,594.73 = 203,153.76/x - Step 3: Cross multiply
392,728.99x = 588,594.73 × 203,153.76 - Step 4: Simplify right side
392,728.99x = 119,575,232,515.69 - Step 5: Solve for x
x = 119,575,232,515.69/392,728.99 - Step 6: Final answer
x = 304,472.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.