Finding the Fourth Proportional to 223,135.49, 307,850.00 and 142,610.15
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Solution
The fourth proportional to 223,135.49, 307,850.00 and 142,610.15 is: 196,752.80
Step by Step Solution
- Step 1: Write the proportion equation
223,135.49 : 307,850.00 = 142,610.15 : x - Step 2: Convert to fraction form
223,135.49/307,850.00 = 142,610.15/x - Step 3: Cross multiply
223,135.49x = 307,850.00 × 142,610.15 - Step 4: Simplify right side
223,135.49x = 43,902,532,425.20 - Step 5: Solve for x
x = 43,902,532,425.20/223,135.49 - Step 6: Final answer
x = 196,752.80
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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.