Finding the Fourth Proportional to 331,319.60, 497,497.80 and 252,522.80
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Solution
The fourth proportional to 331,319.60, 497,497.80 and 252,522.80 is: 379,179.31
Step by Step Solution
- Step 1: Write the proportion equation
331,319.60 : 497,497.80 = 252,522.80 : x - Step 2: Convert to fraction form
331,319.60/497,497.80 = 252,522.80/x - Step 3: Cross multiply
331,319.60x = 497,497.80 × 252,522.80 - Step 4: Simplify right side
331,319.60x = 125,629,537,449.84 - Step 5: Solve for x
x = 125,629,537,449.84/331,319.60 - Step 6: Final answer
x = 379,179.31
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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.