Finding the Fourth Proportional to 217,261.17, 299,815.88 and 119,142.99
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Solution
The fourth proportional to 217,261.17, 299,815.88 and 119,142.99 is: 164,414.84
Step by Step Solution
- Step 1: Write the proportion equation
217,261.17 : 299,815.88 = 119,142.99 : x - Step 2: Convert to fraction form
217,261.17/299,815.88 = 119,142.99/x - Step 3: Cross multiply
217,261.17x = 299,815.88 × 119,142.99 - Step 4: Simplify right side
217,261.17x = 35,720,959,796.97 - Step 5: Solve for x
x = 35,720,959,796.97/217,261.17 - Step 6: Final answer
x = 164,414.84
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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.