Finding the Fourth Proportional to 264,391.68, 396,536.58 and 74,850.60
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Solution
The fourth proportional to 264,391.68, 396,536.58 and 74,850.60 is: 112,261.48
Step by Step Solution
- Step 1: Write the proportion equation
264,391.68 : 396,536.58 = 74,850.60 : x - Step 2: Convert to fraction form
264,391.68/396,536.58 = 74,850.60/x - Step 3: Cross multiply
264,391.68x = 396,536.58 × 74,850.60 - Step 4: Simplify right side
264,391.68x = 29,681,000,934.95 - Step 5: Solve for x
x = 29,681,000,934.95/264,391.68 - Step 6: Final answer
x = 112,261.48
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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.