Finding the Fourth Proportional to 515,608.02, 711,528.36 and 286,151.99
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Solution
The fourth proportional to 515,608.02, 711,528.36 and 286,151.99 is: 394,883.80
Step by Step Solution
- Step 1: Write the proportion equation
515,608.02 : 711,528.36 = 286,151.99 : x - Step 2: Convert to fraction form
515,608.02/711,528.36 = 286,151.99/x - Step 3: Cross multiply
515,608.02x = 711,528.36 × 286,151.99 - Step 4: Simplify right side
515,608.02x = 203,605,252,597.80 - Step 5: Solve for x
x = 203,605,252,597.80/515,608.02 - Step 6: Final answer
x = 394,883.80
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1.5x scale
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.