Finding the Fourth Proportional to 212,264.18, 292,913.97 and 116,768.42
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Solution
The fourth proportional to 212,264.18, 292,913.97 and 116,768.42 is: 161,134.59
Step by Step Solution
- Step 1: Write the proportion equation
212,264.18 : 292,913.97 = 116,768.42 : x - Step 2: Convert to fraction form
212,264.18/292,913.97 = 116,768.42/x - Step 3: Cross multiply
212,264.18x = 292,913.97 × 116,768.42 - Step 4: Simplify right side
212,264.18x = 34,203,100,008.26 - Step 5: Solve for x
x = 34,203,100,008.26/212,264.18 - Step 6: Final answer
x = 161,134.59
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1.5x scale
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.