Finding the Fourth Proportional to 510,436, 765,660.48 and 178,012
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Solution
The fourth proportional to 510,436, 765,660.48 and 178,012 is: 267,020.26
Step by Step Solution
- Step 1: Write the proportion equation
510,436 : 765,660.48 = 178,012 : x - Step 2: Convert to fraction form
510,436/765,660.48 = 178,012/x - Step 3: Cross multiply
510,436x = 765,660.48 × 178,012 - Step 4: Simplify right side
510,436x = 136,296,753,365.76 - Step 5: Solve for x
x = 136,296,753,365.76/510,436 - Step 6: Final answer
x = 267,020.26
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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.