Finding the Fourth Proportional to 510,202.60, 764,647.80 and 310,310.80
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Solution
The fourth proportional to 510,202.60, 764,647.80 and 310,310.80 is: 465,067.15
Step by Step Solution
- Step 1: Write the proportion equation
510,202.60 : 764,647.80 = 310,310.80 : x - Step 2: Convert to fraction form
510,202.60/764,647.80 = 310,310.80/x - Step 3: Cross multiply
510,202.60x = 764,647.80 × 310,310.80 - Step 4: Simplify right side
510,202.60x = 237,278,470,536.24 - Step 5: Solve for x
x = 237,278,470,536.24/510,202.60 - Step 6: Final answer
x = 465,067.15
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1.5x scale
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.