Finding the Fourth Proportional to 416,227.76, 574,394.30 and 225,241.14
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Solution
The fourth proportional to 416,227.76, 574,394.30 and 225,241.14 is: 310,832.77
Step by Step Solution
- Step 1: Write the proportion equation
416,227.76 : 574,394.30 = 225,241.14 : x - Step 2: Convert to fraction form
416,227.76/574,394.30 = 225,241.14/x - Step 3: Cross multiply
416,227.76x = 574,394.30 × 225,241.14 - Step 4: Simplify right side
416,227.76x = 129,377,225,815.30 - Step 5: Solve for x
x = 129,377,225,815.30/416,227.76 - Step 6: Final answer
x = 310,832.77
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1.5x scale
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.