Finding the Fourth Proportional to 165,515.08, 227,975.70 and 127,201.32
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Solution
The fourth proportional to 165,515.08, 227,975.70 and 127,201.32 is: 175,203.43
Step by Step Solution
- Step 1: Write the proportion equation
165,515.08 : 227,975.70 = 127,201.32 : x - Step 2: Convert to fraction form
165,515.08/227,975.70 = 127,201.32/x - Step 3: Cross multiply
165,515.08x = 227,975.70 × 127,201.32 - Step 4: Simplify right side
165,515.08x = 28,998,809,967.92 - Step 5: Solve for x
x = 28,998,809,967.92/165,515.08 - Step 6: Final answer
x = 175,203.43
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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.