Finding the Fourth Proportional to 202,697.36, 279,822.12 and 127,287.44
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Solution
The fourth proportional to 202,697.36, 279,822.12 and 127,287.44 is: 175,719.32
Step by Step Solution
- Step 1: Write the proportion equation
202,697.36 : 279,822.12 = 127,287.44 : x - Step 2: Convert to fraction form
202,697.36/279,822.12 = 127,287.44/x - Step 3: Cross multiply
202,697.36x = 279,822.12 × 127,287.44 - Step 4: Simplify right side
202,697.36x = 35,617,841,310.17 - Step 5: Solve for x
x = 35,617,841,310.17/202,697.36 - Step 6: Final answer
x = 175,719.32
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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.