Finding the Fourth Proportional to 297,694.44, 446,548.95 and 87,331.77
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Solution
The fourth proportional to 297,694.44, 446,548.95 and 87,331.77 is: 130,999.79
Step by Step Solution
- Step 1: Write the proportion equation
297,694.44 : 446,548.95 = 87,331.77 : x - Step 2: Convert to fraction form
297,694.44/446,548.95 = 87,331.77/x - Step 3: Cross multiply
297,694.44x = 446,548.95 × 87,331.77 - Step 4: Simplify right side
297,694.44x = 38,997,910,195.14 - Step 5: Solve for x
x = 38,997,910,195.14/297,694.44 - Step 6: Final answer
x = 130,999.79
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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.