Finding the Fourth Proportional to 252,334.58, 378,503.28 and 74,842.92
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Solution
The fourth proportional to 252,334.58, 378,503.28 and 74,842.92 is: 112,264.80
Step by Step Solution
- Step 1: Write the proportion equation
252,334.58 : 378,503.28 = 74,842.92 : x - Step 2: Convert to fraction form
252,334.58/378,503.28 = 74,842.92/x - Step 3: Cross multiply
252,334.58x = 378,503.28 × 74,842.92 - Step 4: Simplify right side
252,334.58x = 28,328,290,704.78 - Step 5: Solve for x
x = 28,328,290,704.78/252,334.58 - Step 6: Final answer
x = 112,264.80
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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.