Finding the Fourth Proportional to 202,153.75, 279,061.86 and 130,568.68
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Solution
The fourth proportional to 202,153.75, 279,061.86 and 130,568.68 is: 180,242.70
Step by Step Solution
- Step 1: Write the proportion equation
202,153.75 : 279,061.86 = 130,568.68 : x - Step 2: Convert to fraction form
202,153.75/279,061.86 = 130,568.68/x - Step 3: Cross multiply
202,153.75x = 279,061.86 × 130,568.68 - Step 4: Simplify right side
202,153.75x = 36,436,738,698.54 - Step 5: Solve for x
x = 36,436,738,698.54/202,153.75 - Step 6: Final answer
x = 180,242.70
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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.