Finding the Fourth Proportional to 264,726.26, 397,138.60 and 87,245.74
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Solution
The fourth proportional to 264,726.26, 397,138.60 and 87,245.74 is: 130,884.83
Step by Step Solution
- Step 1: Write the proportion equation
264,726.26 : 397,138.60 = 87,245.74 : x - Step 2: Convert to fraction form
264,726.26/397,138.60 = 87,245.74/x - Step 3: Cross multiply
264,726.26x = 397,138.60 × 87,245.74 - Step 4: Simplify right side
264,726.26x = 34,648,651,039.56 - Step 5: Solve for x
x = 34,648,651,039.56/264,726.26 - Step 6: Final answer
x = 130,884.83
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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.