Finding the Fourth Proportional to 235,878.36, 353,872.20 and 67,400.88
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Solution
The fourth proportional to 235,878.36, 353,872.20 and 67,400.88 is: 101,116.94
Step by Step Solution
- Step 1: Write the proportion equation
235,878.36 : 353,872.20 = 67,400.88 : x - Step 2: Convert to fraction form
235,878.36/353,872.20 = 67,400.88/x - Step 3: Cross multiply
235,878.36x = 353,872.20 × 67,400.88 - Step 4: Simplify right side
235,878.36x = 23,851,297,687.54 - Step 5: Solve for x
x = 23,851,297,687.54/235,878.36 - Step 6: Final answer
x = 101,116.94
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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.