Finding the Fourth Proportional to 104,277.78, 156,422.76 and 40,236.26
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Solution
The fourth proportional to 104,277.78, 156,422.76 and 40,236.26 is: 60,356.75
Step by Step Solution
- Step 1: Write the proportion equation
104,277.78 : 156,422.76 = 40,236.26 : x - Step 2: Convert to fraction form
104,277.78/156,422.76 = 40,236.26/x - Step 3: Cross multiply
104,277.78x = 156,422.76 × 40,236.26 - Step 4: Simplify right side
104,277.78x = 6,293,867,383.22 - Step 5: Solve for x
x = 6,293,867,383.22/104,277.78 - Step 6: Final answer
x = 60,356.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.