Finding the Fourth Proportional to 252,157.76, 378,237.84 and 74,668.08
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Solution
The fourth proportional to 252,157.76, 378,237.84 and 74,668.08 is: 112,002.48
Step by Step Solution
- Step 1: Write the proportion equation
252,157.76 : 378,237.84 = 74,668.08 : x - Step 2: Convert to fraction form
252,157.76/378,237.84 = 74,668.08/x - Step 3: Cross multiply
252,157.76x = 378,237.84 × 74,668.08 - Step 4: Simplify right side
252,157.76x = 28,242,293,296.15 - Step 5: Solve for x
x = 28,242,293,296.15/252,157.76 - Step 6: Final answer
x = 112,002.48
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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.