Finding the Fourth Proportional to 239,043.18, 329,805.06 and 135,660.24
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Solution
The fourth proportional to 239,043.18, 329,805.06 and 135,660.24 is: 187,168.84
Step by Step Solution
- Step 1: Write the proportion equation
239,043.18 : 329,805.06 = 135,660.24 : x - Step 2: Convert to fraction form
239,043.18/329,805.06 = 135,660.24/x - Step 3: Cross multiply
239,043.18x = 329,805.06 × 135,660.24 - Step 4: Simplify right side
239,043.18x = 44,741,433,592.81 - Step 5: Solve for x
x = 44,741,433,592.81/239,043.18 - Step 6: Final answer
x = 187,168.84
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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.