Finding the Fourth Proportional to 461,178.92, 691,978.55 and 236,696.99
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Solution
The fourth proportional to 461,178.92, 691,978.55 and 236,696.99 is: 355,153.35
Step by Step Solution
- Step 1: Write the proportion equation
461,178.92 : 691,978.55 = 236,696.99 : x - Step 2: Convert to fraction form
461,178.92/691,978.55 = 236,696.99/x - Step 3: Cross multiply
461,178.92x = 691,978.55 × 236,696.99 - Step 4: Simplify right side
461,178.92x = 163,789,235,286.19 - Step 5: Solve for x
x = 163,789,235,286.19/461,178.92 - Step 6: Final answer
x = 355,153.35
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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.