Finding the Fourth Proportional to 194,708.62, 268,710.43 and 109,823.86
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Solution
The fourth proportional to 194,708.62, 268,710.43 and 109,823.86 is: 151,563.99
Step by Step Solution
- Step 1: Write the proportion equation
194,708.62 : 268,710.43 = 109,823.86 : x - Step 2: Convert to fraction form
194,708.62/268,710.43 = 109,823.86/x - Step 3: Cross multiply
194,708.62x = 268,710.43 × 109,823.86 - Step 4: Simplify right side
194,708.62x = 29,510,815,301.31 - Step 5: Solve for x
x = 29,510,815,301.31/194,708.62 - Step 6: Final answer
x = 151,563.99
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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.