Finding the Fourth Proportional to 505,486.36, 758,229.18 and 131,509.36
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Solution
The fourth proportional to 505,486.36, 758,229.18 and 131,509.36 is: 197,263.95
Step by Step Solution
- Step 1: Write the proportion equation
505,486.36 : 758,229.18 = 131,509.36 : x - Step 2: Convert to fraction form
505,486.36/758,229.18 = 131,509.36/x - Step 3: Cross multiply
505,486.36x = 758,229.18 × 131,509.36 - Step 4: Simplify right side
505,486.36x = 99,714,234,195.12 - Step 5: Solve for x
x = 99,714,234,195.12/505,486.36 - Step 6: Final answer
x = 197,263.95
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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.