Finding the Fourth Proportional to 299,481.98, 413,285.99 and 163,517.10
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Solution
The fourth proportional to 299,481.98, 413,285.99 and 163,517.10 is: 225,654.07
Step by Step Solution
- Step 1: Write the proportion equation
299,481.98 : 413,285.99 = 163,517.10 : x - Step 2: Convert to fraction form
299,481.98/413,285.99 = 163,517.10/x - Step 3: Cross multiply
299,481.98x = 413,285.99 × 163,517.10 - Step 4: Simplify right side
299,481.98x = 67,579,325,737.84 - Step 5: Solve for x
x = 67,579,325,737.84/299,481.98 - Step 6: Final answer
x = 225,654.07
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1.5x scale
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.