Finding the Fourth Proportional to 252,102.42, 347,899.68 and 138,925.26
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Solution
The fourth proportional to 252,102.42, 347,899.68 and 138,925.26 is: 191,715.94
Step by Step Solution
- Step 1: Write the proportion equation
252,102.42 : 347,899.68 = 138,925.26 : x - Step 2: Convert to fraction form
252,102.42/347,899.68 = 138,925.26/x - Step 3: Cross multiply
252,102.42x = 347,899.68 × 138,925.26 - Step 4: Simplify right side
252,102.42x = 48,332,053,497.92 - Step 5: Solve for x
x = 48,332,053,497.92/252,102.42 - Step 6: Final answer
x = 191,715.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.