Finding the Fourth Proportional to 86,138.36, 129,197.26 and 22,963.22
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Solution
The fourth proportional to 86,138.36, 129,197.26 and 22,963.22 is: 34,442.09
Step by Step Solution
- Step 1: Write the proportion equation
86,138.36 : 129,197.26 = 22,963.22 : x - Step 2: Convert to fraction form
86,138.36/129,197.26 = 22,963.22/x - Step 3: Cross multiply
86,138.36x = 129,197.26 × 22,963.22 - Step 4: Simplify right side
86,138.36x = 2,966,785,047.37 - Step 5: Solve for x
x = 2,966,785,047.37/86,138.36 - Step 6: Final answer
x = 34,442.09
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1.5x scale
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.