Finding the Fourth Proportional to 264,268.08, 396,400.88 and 74,728.08
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Solution
The fourth proportional to 264,268.08, 396,400.88 and 74,728.08 is: 112,091.77
Step by Step Solution
- Step 1: Write the proportion equation
264,268.08 : 396,400.88 = 74,728.08 : x - Step 2: Convert to fraction form
264,268.08/396,400.88 = 74,728.08/x - Step 3: Cross multiply
264,268.08x = 396,400.88 × 74,728.08 - Step 4: Simplify right side
264,268.08x = 29,622,276,672.71 - Step 5: Solve for x
x = 29,622,276,672.71/264,268.08 - Step 6: Final answer
x = 112,091.77
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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.