Finding the Fourth Proportional to 612,998.50, 919,578.12 and 202,531.48
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Solution
The fourth proportional to 612,998.50, 919,578.12 and 202,531.48 is: 303,823.77
Step by Step Solution
- Step 1: Write the proportion equation
612,998.50 : 919,578.12 = 202,531.48 : x - Step 2: Convert to fraction form
612,998.50/919,578.12 = 202,531.48/x - Step 3: Cross multiply
612,998.50x = 919,578.12 × 202,531.48 - Step 4: Simplify right side
612,998.50x = 186,243,517,619.22 - Step 5: Solve for x
x = 186,243,517,619.22/612,998.50 - Step 6: Final answer
x = 303,823.77
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1.5x scale
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.