Finding the Fourth Proportional to 172,405.78, 237,915.42 and 95,920.99
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Solution
The fourth proportional to 172,405.78, 237,915.42 and 95,920.99 is: 132,368.43
Step by Step Solution
- Step 1: Write the proportion equation
172,405.78 : 237,915.42 = 95,920.99 : x - Step 2: Convert to fraction form
172,405.78/237,915.42 = 95,920.99/x - Step 3: Cross multiply
172,405.78x = 237,915.42 × 95,920.99 - Step 4: Simplify right side
172,405.78x = 22,821,082,622.67 - Step 5: Solve for x
x = 22,821,082,622.67/172,405.78 - Step 6: Final answer
x = 132,368.43
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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.