Finding the Fourth Proportional to 417,971.09, 576,976.70 and 282,188.99
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Solution
The fourth proportional to 417,971.09, 576,976.70 and 282,188.99 is: 389,540.03
Step by Step Solution
- Step 1: Write the proportion equation
417,971.09 : 576,976.70 = 282,188.99 : x - Step 2: Convert to fraction form
417,971.09/576,976.70 = 282,188.99/x - Step 3: Cross multiply
417,971.09x = 576,976.70 × 282,188.99 - Step 4: Simplify right side
417,971.09x = 162,816,470,047.12 - Step 5: Solve for x
x = 162,816,470,047.12/417,971.09 - Step 6: Final answer
x = 389,540.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.