Finding the Fourth Proportional to 194,864.16, 268,899.84 and 109,969.68
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Solution
The fourth proportional to 194,864.16, 268,899.84 and 109,969.68 is: 151,750.99
Step by Step Solution
- Step 1: Write the proportion equation
194,864.16 : 268,899.84 = 109,969.68 : x - Step 2: Convert to fraction form
194,864.16/268,899.84 = 109,969.68/x - Step 3: Cross multiply
194,864.16x = 268,899.84 × 109,969.68 - Step 4: Simplify right side
194,864.16x = 29,570,829,356.85 - Step 5: Solve for x
x = 29,570,829,356.85/194,864.16 - Step 6: Final answer
x = 151,750.99
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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.