Finding the Fourth Proportional to 297,653.84, 410,769.70 and 161,687.75
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Solution
The fourth proportional to 297,653.84, 410,769.70 and 161,687.75 is: 223,133.11
Step by Step Solution
- Step 1: Write the proportion equation
297,653.84 : 410,769.70 = 161,687.75 : x - Step 2: Convert to fraction form
297,653.84/410,769.70 = 161,687.75/x - Step 3: Cross multiply
297,653.84x = 410,769.70 × 161,687.75 - Step 4: Simplify right side
297,653.84x = 66,416,426,103.11 - Step 5: Solve for x
x = 66,416,426,103.11/297,653.84 - Step 6: Final answer
x = 223,133.11
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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.