Finding the Fourth Proportional to 416,261.24, 574,440.49 and 225,274.62
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Solution
The fourth proportional to 416,261.24, 574,440.49 and 225,274.62 is: 310,878.97
Step by Step Solution
- Step 1: Write the proportion equation
416,261.24 : 574,440.49 = 225,274.62 : x - Step 2: Convert to fraction form
416,261.24/574,440.49 = 225,274.62/x - Step 3: Cross multiply
416,261.24x = 574,440.49 × 225,274.62 - Step 4: Simplify right side
416,261.24x = 129,406,865,533.11 - Step 5: Solve for x
x = 129,406,865,533.11/416,261.24 - Step 6: Final answer
x = 310,878.97
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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.