Finding the Fourth Proportional to 505,603.92, 758,407.95 and 126,523.62
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Solution
The fourth proportional to 505,603.92, 758,407.95 and 126,523.62 is: 189,785.95
Step by Step Solution
- Step 1: Write the proportion equation
505,603.92 : 758,407.95 = 126,523.62 : x - Step 2: Convert to fraction form
505,603.92/758,407.95 = 126,523.62/x - Step 3: Cross multiply
505,603.92x = 758,407.95 × 126,523.62 - Step 4: Simplify right side
505,603.92x = 95,956,519,270.78 - Step 5: Solve for x
x = 95,956,519,270.78/505,603.92 - Step 6: Final answer
x = 189,785.95
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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.