Finding the Fourth Proportional to 207,586.53, 286,522.85 and 135,170.18
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Solution
The fourth proportional to 207,586.53, 286,522.85 and 135,170.18 is: 186,569.64
Step by Step Solution
- Step 1: Write the proportion equation
207,586.53 : 286,522.85 = 135,170.18 : x - Step 2: Convert to fraction form
207,586.53/286,522.85 = 135,170.18/x - Step 3: Cross multiply
207,586.53x = 286,522.85 × 135,170.18 - Step 4: Simplify right side
207,586.53x = 38,729,344,382.54 - Step 5: Solve for x
x = 38,729,344,382.54/207,586.53 - Step 6: Final answer
x = 186,569.64
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1.5x scale
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.