Finding the Fourth Proportional to 399,675.26, 599,808.54 and 189,313.68
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Solution
The fourth proportional to 399,675.26, 599,808.54 and 189,313.68 is: 284,110.56
Step by Step Solution
- Step 1: Write the proportion equation
399,675.26 : 599,808.54 = 189,313.68 : x - Step 2: Convert to fraction form
399,675.26/599,808.54 = 189,313.68/x - Step 3: Cross multiply
399,675.26x = 599,808.54 × 189,313.68 - Step 4: Simplify right side
399,675.26x = 113,551,962,002.83 - Step 5: Solve for x
x = 113,551,962,002.83/399,675.26 - Step 6: Final answer
x = 284,110.56
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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.