Finding the Fourth Proportional to 150,317.98, 207,438.90 and 82,336.09
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Solution
The fourth proportional to 150,317.98, 207,438.90 and 82,336.09 is: 113,623.85
Step by Step Solution
- Step 1: Write the proportion equation
150,317.98 : 207,438.90 = 82,336.09 : x - Step 2: Convert to fraction form
150,317.98/207,438.90 = 82,336.09/x - Step 3: Cross multiply
150,317.98x = 207,438.90 × 82,336.09 - Step 4: Simplify right side
150,317.98x = 17,079,707,890.44 - Step 5: Solve for x
x = 17,079,707,890.44/150,317.98 - Step 6: Final answer
x = 113,623.85
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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.