Finding the Fourth Proportional to 134,531.66, 201,812.07 and 45,768.62
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Solution
The fourth proportional to 134,531.66, 201,812.07 and 45,768.62 is: 68,657.89
Step by Step Solution
- Step 1: Write the proportion equation
134,531.66 : 201,812.07 = 45,768.62 : x - Step 2: Convert to fraction form
134,531.66/201,812.07 = 45,768.62/x - Step 3: Cross multiply
134,531.66x = 201,812.07 × 45,768.62 - Step 4: Simplify right side
134,531.66x = 9,236,659,943.24 - Step 5: Solve for x
x = 9,236,659,943.24/134,531.66 - Step 6: Final answer
x = 68,657.89
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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.