Finding the Fourth Proportional to 204,078.80, 306,138.36 and 63,840.08
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Solution
The fourth proportional to 204,078.80, 306,138.36 and 63,840.08 is: 95,766.43
Step by Step Solution
- Step 1: Write the proportion equation
204,078.80 : 306,138.36 = 63,840.08 : x - Step 2: Convert to fraction form
204,078.80/306,138.36 = 63,840.08/x - Step 3: Cross multiply
204,078.80x = 306,138.36 × 63,840.08 - Step 4: Simplify right side
204,078.80x = 19,543,897,393.47 - Step 5: Solve for x
x = 19,543,897,393.47/204,078.80 - Step 6: Final answer
x = 95,766.43
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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.