Finding the Fourth Proportional to 160,274.10, 221,108.76 and 96,575.70
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Solution
The fourth proportional to 160,274.10, 221,108.76 and 96,575.70 is: 133,232.59
Step by Step Solution
- Step 1: Write the proportion equation
160,274.10 : 221,108.76 = 96,575.70 : x - Step 2: Convert to fraction form
160,274.10/221,108.76 = 96,575.70/x - Step 3: Cross multiply
160,274.10x = 221,108.76 × 96,575.70 - Step 4: Simplify right side
160,274.10x = 21,353,733,273.13 - Step 5: Solve for x
x = 21,353,733,273.13/160,274.10 - Step 6: Final answer
x = 133,232.59
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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.