Finding the Fourth Proportional to 115,532.26, 159,434.52 and 62,540.26
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Solution
The fourth proportional to 115,532.26, 159,434.52 and 62,540.26 is: 86,305.56
Step by Step Solution
- Step 1: Write the proportion equation
115,532.26 : 159,434.52 = 62,540.26 : x - Step 2: Convert to fraction form
115,532.26/159,434.52 = 62,540.26/x - Step 3: Cross multiply
115,532.26x = 159,434.52 × 62,540.26 - Step 4: Simplify right side
115,532.26x = 9,971,076,333.78 - Step 5: Solve for x
x = 9,971,076,333.78/115,532.26 - Step 6: Final answer
x = 86,305.56
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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.