Finding the Fourth Proportional to 145,741.63, 218,675.98 and 51,039.75
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Solution
The fourth proportional to 145,741.63, 218,675.98 and 51,039.75 is: 76,581.88
Step by Step Solution
- Step 1: Write the proportion equation
145,741.63 : 218,675.98 = 51,039.75 : x - Step 2: Convert to fraction form
145,741.63/218,675.98 = 51,039.75/x - Step 3: Cross multiply
145,741.63x = 218,675.98 × 51,039.75 - Step 4: Simplify right side
145,741.63x = 11,161,167,350.21 - Step 5: Solve for x
x = 11,161,167,350.21/145,741.63 - Step 6: Final answer
x = 76,581.88
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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.