Finding the Fourth Proportional to 202,564.60, 279,546.06 and 127,154.68
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Solution
The fourth proportional to 202,564.60, 279,546.06 and 127,154.68 is: 175,477.80
Step by Step Solution
- Step 1: Write the proportion equation
202,564.60 : 279,546.06 = 127,154.68 : x - Step 2: Convert to fraction form
202,564.60/279,546.06 = 127,154.68/x - Step 3: Cross multiply
202,564.60x = 279,546.06 × 127,154.68 - Step 4: Simplify right side
202,564.60x = 35,545,589,804.56 - Step 5: Solve for x
x = 35,545,589,804.56/202,564.60 - Step 6: Final answer
x = 175,477.80
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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.