Finding the Fourth Proportional to 138,007.92, 207,011.91 and 44,513.70
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Solution
The fourth proportional to 138,007.92, 207,011.91 and 44,513.70 is: 66,770.56
Step by Step Solution
- Step 1: Write the proportion equation
138,007.92 : 207,011.91 = 44,513.70 : x - Step 2: Convert to fraction form
138,007.92/207,011.91 = 44,513.70/x - Step 3: Cross multiply
138,007.92x = 207,011.91 × 44,513.70 - Step 4: Simplify right side
138,007.92x = 9,214,866,058.17 - Step 5: Solve for x
x = 9,214,866,058.17/138,007.92 - Step 6: Final answer
x = 66,770.56
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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.