Finding the Fourth Proportional to 143,771.98, 215,696.79 and 43,929.44
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Solution
The fourth proportional to 143,771.98, 215,696.79 and 43,929.44 is: 65,906.02
Step by Step Solution
- Step 1: Write the proportion equation
143,771.98 : 215,696.79 = 43,929.44 : x - Step 2: Convert to fraction form
143,771.98/215,696.79 = 43,929.44/x - Step 3: Cross multiply
143,771.98x = 215,696.79 × 43,929.44 - Step 4: Simplify right side
143,771.98x = 9,475,438,116.01 - Step 5: Solve for x
x = 9,475,438,116.01/143,771.98 - Step 6: Final answer
x = 65,906.02
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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.