Finding the Fourth Proportional to 202,297.75, 303,461.21 and 77,638.75
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Solution
The fourth proportional to 202,297.75, 303,461.21 and 77,638.75 is: 116,463.72
Step by Step Solution
- Step 1: Write the proportion equation
202,297.75 : 303,461.21 = 77,638.75 : x - Step 2: Convert to fraction form
202,297.75/303,461.21 = 77,638.75/x - Step 3: Cross multiply
202,297.75x = 303,461.21 × 77,638.75 - Step 4: Simplify right side
202,297.75x = 23,560,349,017.89 - Step 5: Solve for x
x = 23,560,349,017.89/202,297.75 - Step 6: Final answer
x = 116,463.72
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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.