Finding the Fourth Proportional to 416,153.26, 574,229.93 and 252,724.78
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Solution
The fourth proportional to 416,153.26, 574,229.93 and 252,724.78 is: 348,722.80
Step by Step Solution
- Step 1: Write the proportion equation
416,153.26 : 574,229.93 = 252,724.78 : x - Step 2: Convert to fraction form
416,153.26/574,229.93 = 252,724.78/x - Step 3: Cross multiply
416,153.26x = 574,229.93 × 252,724.78 - Step 4: Simplify right side
416,153.26x = 145,122,130,029.47 - Step 5: Solve for x
x = 145,122,130,029.47/416,153.26 - Step 6: Final answer
x = 348,722.80
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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.