Finding the Fourth Proportional to 100,964.09, 151,392.55 and 29,876.94
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Solution
The fourth proportional to 100,964.09, 151,392.55 and 29,876.94 is: 44,799.55
Step by Step Solution
- Step 1: Write the proportion equation
100,964.09 : 151,392.55 = 29,876.94 : x - Step 2: Convert to fraction form
100,964.09/151,392.55 = 29,876.94/x - Step 3: Cross multiply
100,964.09x = 151,392.55 × 29,876.94 - Step 4: Simplify right side
100,964.09x = 4,523,146,303.54 - Step 5: Solve for x
x = 4,523,146,303.54/100,964.09 - Step 6: Final answer
x = 44,799.55
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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.