Finding the Fourth Proportional to 163,373.28, 225,428.64 and 102,112.26
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Solution
The fourth proportional to 163,373.28, 225,428.64 and 102,112.26 is: 140,898.36
Step by Step Solution
- Step 1: Write the proportion equation
163,373.28 : 225,428.64 = 102,112.26 : x - Step 2: Convert to fraction form
163,373.28/225,428.64 = 102,112.26/x - Step 3: Cross multiply
163,373.28x = 225,428.64 × 102,112.26 - Step 4: Simplify right side
163,373.28x = 23,019,027,899.13 - Step 5: Solve for x
x = 23,019,027,899.13/163,373.28 - Step 6: Final answer
x = 140,898.36
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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.