Finding the Fourth Proportional to 147,680.17, 221,509.49 and 57,705.97
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Solution
The fourth proportional to 147,680.17, 221,509.49 and 57,705.97 is: 86,554.75
Step by Step Solution
- Step 1: Write the proportion equation
147,680.17 : 221,509.49 = 57,705.97 : x - Step 2: Convert to fraction form
147,680.17/221,509.49 = 57,705.97/x - Step 3: Cross multiply
147,680.17x = 221,509.49 × 57,705.97 - Step 4: Simplify right side
147,680.17x = 12,782,419,696.13 - Step 5: Solve for x
x = 12,782,419,696.13/147,680.17 - Step 6: Final answer
x = 86,554.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.