Finding the Fourth Proportional to 515,360.06, 711,282.26 and 285,991.03
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Solution
The fourth proportional to 515,360.06, 711,282.26 and 285,991.03 is: 394,715.00
Step by Step Solution
- Step 1: Write the proportion equation
515,360.06 : 711,282.26 = 285,991.03 : x - Step 2: Convert to fraction form
515,360.06/711,282.26 = 285,991.03/x - Step 3: Cross multiply
515,360.06x = 711,282.26 × 285,991.03 - Step 4: Simplify right side
515,360.06x = 203,420,345,761.73 - Step 5: Solve for x
x = 203,420,345,761.73/515,360.06 - Step 6: Final answer
x = 394,715.00
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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.