Finding the Fourth Proportional to 416,235.14, 574,405.94 and 225,248.48
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Solution
The fourth proportional to 416,235.14, 574,405.94 and 225,248.48 is: 310,843.69
Step by Step Solution
- Step 1: Write the proportion equation
416,235.14 : 574,405.94 = 225,248.48 : x - Step 2: Convert to fraction form
416,235.14/574,405.94 = 225,248.48/x - Step 3: Cross multiply
416,235.14x = 574,405.94 × 225,248.48 - Step 4: Simplify right side
416,235.14x = 129,384,064,887.97 - Step 5: Solve for x
x = 129,384,064,887.97/416,235.14 - Step 6: Final answer
x = 310,843.69
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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.