Finding the Fourth Proportional to 100,830.70, 151,246.05 and 44,697.70
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Solution
The fourth proportional to 100,830.70, 151,246.05 and 44,697.70 is: 67,046.55
Step by Step Solution
- Step 1: Write the proportion equation
100,830.70 : 151,246.05 = 44,697.70 : x - Step 2: Convert to fraction form
100,830.70/151,246.05 = 44,697.70/x - Step 3: Cross multiply
100,830.70x = 151,246.05 × 44,697.70 - Step 4: Simplify right side
100,830.70x = 6,760,350,569.09 - Step 5: Solve for x
x = 6,760,350,569.09/100,830.70 - Step 6: Final answer
x = 67,046.55
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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.