Finding the Fourth Proportional to 416,944.57, 575,383.99 and 225,957.95
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Solution
The fourth proportional to 416,944.57, 575,383.99 and 225,957.95 is: 311,822.23
Step by Step Solution
- Step 1: Write the proportion equation
416,944.57 : 575,383.99 = 225,957.95 : x - Step 2: Convert to fraction form
416,944.57/575,383.99 = 225,957.95/x - Step 3: Cross multiply
416,944.57x = 575,383.99 × 225,957.95 - Step 4: Simplify right side
416,944.57x = 130,012,586,843.22 - Step 5: Solve for x
x = 130,012,586,843.22/416,944.57 - Step 6: Final answer
x = 311,822.23
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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.