Finding the Fourth Proportional to 399,403.22, 599,110.12 and 133,163.82
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Solution
The fourth proportional to 399,403.22, 599,110.12 and 133,163.82 is: 199,747.49
Step by Step Solution
- Step 1: Write the proportion equation
399,403.22 : 599,110.12 = 133,163.82 : x - Step 2: Convert to fraction form
399,403.22/599,110.12 = 133,163.82/x - Step 3: Cross multiply
399,403.22x = 599,110.12 × 133,163.82 - Step 4: Simplify right side
399,403.22x = 79,779,792,179.86 - Step 5: Solve for x
x = 79,779,792,179.86/399,403.22 - Step 6: Final answer
x = 199,747.49
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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.