Finding the Fourth Proportional to 201,565.26, 278,153.08 and 110,912.74
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Solution
The fourth proportional to 201,565.26, 278,153.08 and 110,912.74 is: 153,055.74
Step by Step Solution
- Step 1: Write the proportion equation
201,565.26 : 278,153.08 = 110,912.74 : x - Step 2: Convert to fraction form
201,565.26/278,153.08 = 110,912.74/x - Step 3: Cross multiply
201,565.26x = 278,153.08 × 110,912.74 - Step 4: Simplify right side
201,565.26x = 30,850,720,242.24 - Step 5: Solve for x
x = 30,850,720,242.24/201,565.26 - Step 6: Final answer
x = 153,055.74
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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.