Finding the Fourth Proportional to 212,361.99, 292,937.66 and 132,735.75
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Solution
The fourth proportional to 212,361.99, 292,937.66 and 132,735.75 is: 183,099.15
Step by Step Solution
- Step 1: Write the proportion equation
212,361.99 : 292,937.66 = 132,735.75 : x - Step 2: Convert to fraction form
212,361.99/292,937.66 = 132,735.75/x - Step 3: Cross multiply
212,361.99x = 292,937.66 × 132,735.75 - Step 4: Simplify right side
212,361.99x = 38,883,299,339.67 - Step 5: Solve for x
x = 38,883,299,339.67/212,361.99 - Step 6: Final answer
x = 183,099.15
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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.