Finding the Fourth Proportional to 202,202.79, 303,343.05 and 77,534.07
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Solution
The fourth proportional to 202,202.79, 303,343.05 and 77,534.07 is: 116,316.01
Step by Step Solution
- Step 1: Write the proportion equation
202,202.79 : 303,343.05 = 77,534.07 : x - Step 2: Convert to fraction form
202,202.79/303,343.05 = 77,534.07/x - Step 3: Cross multiply
202,202.79x = 303,343.05 × 77,534.07 - Step 4: Simplify right side
202,202.79x = 23,519,421,272.71 - Step 5: Solve for x
x = 23,519,421,272.71/202,202.79 - Step 6: Final answer
x = 116,316.01
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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.