Finding the Fourth Proportional to 515,529.53, 711,438.49 and 286,101.68
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Solution
The fourth proportional to 515,529.53, 711,438.49 and 286,101.68 is: 394,824.61
Step by Step Solution
- Step 1: Write the proportion equation
515,529.53 : 711,438.49 = 286,101.68 : x - Step 2: Convert to fraction form
515,529.53/711,438.49 = 286,101.68/x - Step 3: Cross multiply
515,529.53x = 711,438.49 × 286,101.68 - Step 4: Simplify right side
515,529.53x = 203,543,747,205.66 - Step 5: Solve for x
x = 203,543,747,205.66/515,529.53 - Step 6: Final answer
x = 394,824.61
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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.