Finding the Fourth Proportional to 151,621.84, 227,572.85 and 76,794.58
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Solution
The fourth proportional to 151,621.84, 227,572.85 and 76,794.58 is: 115,262.82
Step by Step Solution
- Step 1: Write the proportion equation
151,621.84 : 227,572.85 = 76,794.58 : x - Step 2: Convert to fraction form
151,621.84/227,572.85 = 76,794.58/x - Step 3: Cross multiply
151,621.84x = 227,572.85 × 76,794.58 - Step 4: Simplify right side
151,621.84x = 17,476,361,435.15 - Step 5: Solve for x
x = 17,476,361,435.15/151,621.84 - Step 6: Final answer
x = 115,262.82
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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.