Finding the Fourth Proportional to 305,550.38, 458,337.99 and 145,544.06
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Solution
The fourth proportional to 305,550.38, 458,337.99 and 145,544.06 is: 218,322.00
Step by Step Solution
- Step 1: Write the proportion equation
305,550.38 : 458,337.99 = 145,544.06 : x - Step 2: Convert to fraction form
305,550.38/458,337.99 = 145,544.06/x - Step 3: Cross multiply
305,550.38x = 458,337.99 × 145,544.06 - Step 4: Simplify right side
305,550.38x = 66,708,369,625.15 - Step 5: Solve for x
x = 66,708,369,625.15/305,550.38 - Step 6: Final answer
x = 218,322.00
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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.