Finding the Fourth Proportional to 202,177.80, 303,266.70 and 77,518.80
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Solution
The fourth proportional to 202,177.80, 303,266.70 and 77,518.80 is: 116,278.20
Step by Step Solution
- Step 1: Write the proportion equation
202,177.80 : 303,266.70 = 77,518.80 : x - Step 2: Convert to fraction form
202,177.80/303,266.70 = 77,518.80/x - Step 3: Cross multiply
202,177.80x = 303,266.70 × 77,518.80 - Step 4: Simplify right side
202,177.80x = 23,508,870,663.96 - Step 5: Solve for x
x = 23,508,870,663.96/202,177.80 - Step 6: Final answer
x = 116,278.20
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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.