Finding the Fourth Proportional to 816,309.09, 1,224,466.34 and 247,695.03
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Solution
The fourth proportional to 816,309.09, 1,224,466.34 and 247,695.03 is: 371,543.36
Step by Step Solution
- Step 1: Write the proportion equation
816,309.09 : 1,224,466.34 = 247,695.03 : x - Step 2: Convert to fraction form
816,309.09/1,224,466.34 = 247,695.03/x - Step 3: Cross multiply
816,309.09x = 1,224,466.34 × 247,695.03 - Step 4: Simplify right side
816,309.09x = 303,294,225,581.82 - Step 5: Solve for x
x = 303,294,225,581.82/816,309.09 - Step 6: Final answer
x = 371,543.36
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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.