Finding the Fourth Proportional to 234,959.28, 352,394.25 and 66,438.98
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Solution
The fourth proportional to 234,959.28, 352,394.25 and 66,438.98 is: 99,645.84
Step by Step Solution
- Step 1: Write the proportion equation
234,959.28 : 352,394.25 = 66,438.98 : x - Step 2: Convert to fraction form
234,959.28/352,394.25 = 66,438.98/x - Step 3: Cross multiply
234,959.28x = 352,394.25 × 66,438.98 - Step 4: Simplify right side
234,959.28x = 23,412,715,820.44 - Step 5: Solve for x
x = 23,412,715,820.44/234,959.28 - Step 6: Final answer
x = 99,645.84
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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.