Finding the Fourth Proportional to 268,944.32, 371,153.28 and 148,090.88
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Solution
The fourth proportional to 268,944.32, 371,153.28 and 148,090.88 is: 204,370.99
Step by Step Solution
- Step 1: Write the proportion equation
268,944.32 : 371,153.28 = 148,090.88 : x - Step 2: Convert to fraction form
268,944.32/371,153.28 = 148,090.88/x - Step 3: Cross multiply
268,944.32x = 371,153.28 × 148,090.88 - Step 4: Simplify right side
268,944.32x = 54,964,415,850.09 - Step 5: Solve for x
x = 54,964,415,850.09/268,944.32 - Step 6: Final answer
x = 204,370.99
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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.