Finding the Fourth Proportional to 142,331.43, 213,324.51 and 104,541.09
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Solution
The fourth proportional to 142,331.43, 213,324.51 and 104,541.09 is: 156,684.84
Step by Step Solution
- Step 1: Write the proportion equation
142,331.43 : 213,324.51 = 104,541.09 : x - Step 2: Convert to fraction form
142,331.43/213,324.51 = 104,541.09/x - Step 3: Cross multiply
142,331.43x = 213,324.51 × 104,541.09 - Step 4: Simplify right side
142,331.43x = 22,301,176,799.12 - Step 5: Solve for x
x = 22,301,176,799.12/142,331.43 - Step 6: Final answer
x = 156,684.84
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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.