Finding the Fourth Proportional to 527,168.16, 727,544.16 and 300,847.68
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Solution
The fourth proportional to 527,168.16, 727,544.16 and 300,847.68 is: 415,199.53
Step by Step Solution
- Step 1: Write the proportion equation
527,168.16 : 727,544.16 = 300,847.68 : x - Step 2: Convert to fraction form
527,168.16/727,544.16 = 300,847.68/x - Step 3: Cross multiply
527,168.16x = 727,544.16 × 300,847.68 - Step 4: Simplify right side
527,168.16x = 218,879,972,633.55 - Step 5: Solve for x
x = 218,879,972,633.55/527,168.16 - Step 6: Final answer
x = 415,199.53
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1.5x scale
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.