Finding the Fourth Proportional to 254,716.84, 381,550.20 and 149,215.96
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Solution
The fourth proportional to 254,716.84, 381,550.20 and 149,215.96 is: 223,516.35
Step by Step Solution
- Step 1: Write the proportion equation
254,716.84 : 381,550.20 = 149,215.96 : x - Step 2: Convert to fraction form
254,716.84/381,550.20 = 149,215.96/x - Step 3: Cross multiply
254,716.84x = 381,550.20 × 149,215.96 - Step 4: Simplify right side
254,716.84x = 56,933,379,381.19 - Step 5: Solve for x
x = 56,933,379,381.19/254,716.84 - Step 6: Final answer
x = 223,516.35
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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.