Finding the Fourth Proportional to 212,252.81, 292,902.99 and 116,759.68
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Solution
The fourth proportional to 212,252.81, 292,902.99 and 116,759.68 is: 161,125.12
Step by Step Solution
- Step 1: Write the proportion equation
212,252.81 : 292,902.99 = 116,759.68 : x - Step 2: Convert to fraction form
212,252.81/292,902.99 = 116,759.68/x - Step 3: Cross multiply
212,252.81x = 292,902.99 × 116,759.68 - Step 4: Simplify right side
212,252.81x = 34,199,258,213.34 - Step 5: Solve for x
x = 34,199,258,213.34/212,252.81 - Step 6: Final answer
x = 161,125.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.