Finding the Fourth Proportional to 264,821.40, 397,232.10 and 146,431.80
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Solution
The fourth proportional to 264,821.40, 397,232.10 and 146,431.80 is: 219,647.70
Step by Step Solution
- Step 1: Write the proportion equation
264,821.40 : 397,232.10 = 146,431.80 : x - Step 2: Convert to fraction form
264,821.40/397,232.10 = 146,431.80/x - Step 3: Cross multiply
264,821.40x = 397,232.10 × 146,431.80 - Step 4: Simplify right side
264,821.40x = 58,167,411,420.78 - Step 5: Solve for x
x = 58,167,411,420.78/264,821.40 - Step 6: Final answer
x = 219,647.70
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1.5x scale
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.