Finding the Fourth Proportional to 202,116.47, 303,174.50 and 68,985.68
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Solution
The fourth proportional to 202,116.47, 303,174.50 and 68,985.68 is: 103,478.44
Step by Step Solution
- Step 1: Write the proportion equation
202,116.47 : 303,174.50 = 68,985.68 : x - Step 2: Convert to fraction form
202,116.47/303,174.50 = 68,985.68/x - Step 3: Cross multiply
202,116.47x = 303,174.50 × 68,985.68 - Step 4: Simplify right side
202,116.47x = 20,914,697,180.36 - Step 5: Solve for x
x = 20,914,697,180.36/202,116.47 - Step 6: Final answer
x = 103,478.44
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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.