Finding the Fourth Proportional to 325,531.80, 488,297.70 and 273,043.80
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Solution
The fourth proportional to 325,531.80, 488,297.70 and 273,043.80 is: 409,565.70
Step by Step Solution
- Step 1: Write the proportion equation
325,531.80 : 488,297.70 = 273,043.80 : x - Step 2: Convert to fraction form
325,531.80/488,297.70 = 273,043.80/x - Step 3: Cross multiply
325,531.80x = 488,297.70 × 273,043.80 - Step 4: Simplify right side
325,531.80x = 133,326,659,539.26 - Step 5: Solve for x
x = 133,326,659,539.26/325,531.80 - Step 6: Final answer
x = 409,565.70
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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.