Finding the Fourth Proportional to 141,984.99, 212,915.36 and 53,176.23
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Solution
The fourth proportional to 141,984.99, 212,915.36 and 53,176.23 is: 79,741.08
Step by Step Solution
- Step 1: Write the proportion equation
141,984.99 : 212,915.36 = 53,176.23 : x - Step 2: Convert to fraction form
141,984.99/212,915.36 = 53,176.23/x - Step 3: Cross multiply
141,984.99x = 212,915.36 × 53,176.23 - Step 4: Simplify right side
141,984.99x = 11,322,035,888.01 - Step 5: Solve for x
x = 11,322,035,888.01/141,984.99 - Step 6: Final answer
x = 79,741.08
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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.