Finding the Fourth Proportional to 176,777.80, 264,518.70 and 130,121.80
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Solution
The fourth proportional to 176,777.80, 264,518.70 and 130,121.80 is: 194,705.72
Step by Step Solution
- Step 1: Write the proportion equation
176,777.80 : 264,518.70 = 130,121.80 : x - Step 2: Convert to fraction form
176,777.80/264,518.70 = 130,121.80/x - Step 3: Cross multiply
176,777.80x = 264,518.70 × 130,121.80 - Step 4: Simplify right side
176,777.80x = 34,419,649,377.66 - Step 5: Solve for x
x = 34,419,649,377.66/176,777.80 - Step 6: Final answer
x = 194,705.72
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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.