Finding the Fourth Proportional to 138,466.30, 207,682.98 and 44,971.96
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Solution
The fourth proportional to 138,466.30, 207,682.98 and 44,971.96 is: 67,452.59
Step by Step Solution
- Step 1: Write the proportion equation
138,466.30 : 207,682.98 = 44,971.96 : x - Step 2: Convert to fraction form
138,466.30/207,682.98 = 44,971.96/x - Step 3: Cross multiply
138,466.30x = 207,682.98 × 44,971.96 - Step 4: Simplify right side
138,466.30x = 9,339,910,669.24 - Step 5: Solve for x
x = 9,339,910,669.24/138,466.30 - Step 6: Final answer
x = 67,452.59
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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.