Finding the Fourth Proportional to 235,112.24, 324,461.28 and 138,322.88
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Solution
The fourth proportional to 235,112.24, 324,461.28 and 138,322.88 is: 190,889.33
Step by Step Solution
- Step 1: Write the proportion equation
235,112.24 : 324,461.28 = 138,322.88 : x - Step 2: Convert to fraction form
235,112.24/324,461.28 = 138,322.88/x - Step 3: Cross multiply
235,112.24x = 324,461.28 × 138,322.88 - Step 4: Simplify right side
235,112.24x = 44,880,418,698.09 - Step 5: Solve for x
x = 44,880,418,698.09/235,112.24 - Step 6: Final answer
x = 190,889.33
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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.