Finding the Fourth Proportional to 255,737.09, 383,716.29 and 137,270.09
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Solution
The fourth proportional to 255,737.09, 383,716.29 and 137,270.09 is: 205,964.53
Step by Step Solution
- Step 1: Write the proportion equation
255,737.09 : 383,716.29 = 137,270.09 : x - Step 2: Convert to fraction form
255,737.09/383,716.29 = 137,270.09/x - Step 3: Cross multiply
255,737.09x = 383,716.29 × 137,270.09 - Step 4: Simplify right side
255,737.09x = 52,672,769,662.77 - Step 5: Solve for x
x = 52,672,769,662.77/255,737.09 - Step 6: Final answer
x = 205,964.53
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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.