Finding the Fourth Proportional to 268,538.42, 370,575.62 and 147,679.70
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Solution
The fourth proportional to 268,538.42, 370,575.62 and 147,679.70 is: 203,793.92
Step by Step Solution
- Step 1: Write the proportion equation
268,538.42 : 370,575.62 = 147,679.70 : x - Step 2: Convert to fraction form
268,538.42/370,575.62 = 147,679.70/x - Step 3: Cross multiply
268,538.42x = 370,575.62 × 147,679.70 - Step 4: Simplify right side
268,538.42x = 54,726,496,388.91 - Step 5: Solve for x
x = 54,726,496,388.91/268,538.42 - Step 6: Final answer
x = 203,793.92
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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.