Finding the Fourth Proportional to 416,228.57, 574,395.42 and 225,241.96
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Solution
The fourth proportional to 416,228.57, 574,395.42 and 225,241.96 is: 310,833.90
Step by Step Solution
- Step 1: Write the proportion equation
416,228.57 : 574,395.42 = 225,241.96 : x - Step 2: Convert to fraction form
416,228.57/574,395.42 = 225,241.96/x - Step 3: Cross multiply
416,228.57x = 574,395.42 × 225,241.96 - Step 4: Simplify right side
416,228.57x = 129,377,950,215.82 - Step 5: Solve for x
x = 129,377,950,215.82/416,228.57 - Step 6: Final answer
x = 310,833.90
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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.