Finding the Fourth Proportional to 212,439.08, 293,174.28 and 116,954.66
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Solution
The fourth proportional to 212,439.08, 293,174.28 and 116,954.66 is: 161,402.03
Step by Step Solution
- Step 1: Write the proportion equation
212,439.08 : 293,174.28 = 116,954.66 : x - Step 2: Convert to fraction form
212,439.08/293,174.28 = 116,954.66/x - Step 3: Cross multiply
212,439.08x = 293,174.28 × 116,954.66 - Step 4: Simplify right side
212,439.08x = 34,288,098,238.14 - Step 5: Solve for x
x = 34,288,098,238.14/212,439.08 - Step 6: Final answer
x = 161,402.03
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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.