Finding the Fourth Proportional to 252,038.75, 347,812.44 and 137,317.07
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Solution
The fourth proportional to 252,038.75, 347,812.44 and 137,317.07 is: 189,496.99
Step by Step Solution
- Step 1: Write the proportion equation
252,038.75 : 347,812.44 = 137,317.07 : x - Step 2: Convert to fraction form
252,038.75/347,812.44 = 137,317.07/x - Step 3: Cross multiply
252,038.75x = 347,812.44 × 137,317.07 - Step 4: Simplify right side
252,038.75x = 47,760,585,170.35 - Step 5: Solve for x
x = 47,760,585,170.35/252,038.75 - Step 6: Final answer
x = 189,496.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.