Finding the Fourth Proportional to 114,232.09, 157,640.26 and 63,931.09
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Solution
The fourth proportional to 114,232.09, 157,640.26 and 63,931.09 is: 88,224.88
Step by Step Solution
- Step 1: Write the proportion equation
114,232.09 : 157,640.26 = 63,931.09 : x - Step 2: Convert to fraction form
114,232.09/157,640.26 = 63,931.09/x - Step 3: Cross multiply
114,232.09x = 157,640.26 × 63,931.09 - Step 4: Simplify right side
114,232.09x = 10,078,112,541.83 - Step 5: Solve for x
x = 10,078,112,541.83/114,232.09 - Step 6: Final answer
x = 88,224.88
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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.