Finding the Fourth Proportional to 198,502.29, 297,586.05 and 86,097.84
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Solution
The fourth proportional to 198,502.29, 297,586.05 and 86,097.84 is: 129,074.16
Step by Step Solution
- Step 1: Write the proportion equation
198,502.29 : 297,586.05 = 86,097.84 : x - Step 2: Convert to fraction form
198,502.29/297,586.05 = 86,097.84/x - Step 3: Cross multiply
198,502.29x = 297,586.05 × 86,097.84 - Step 4: Simplify right side
198,502.29x = 25,621,516,119.13 - Step 5: Solve for x
x = 25,621,516,119.13/198,502.29 - Step 6: Final answer
x = 129,074.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.