Finding the Fourth Proportional to 163,338.12, 225,367.18 and 95,316.28
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Solution
The fourth proportional to 163,338.12, 225,367.18 and 95,316.28 is: 131,513.45
Step by Step Solution
- Step 1: Write the proportion equation
163,338.12 : 225,367.18 = 95,316.28 : x - Step 2: Convert to fraction form
163,338.12/225,367.18 = 95,316.28/x - Step 3: Cross multiply
163,338.12x = 225,367.18 × 95,316.28 - Step 4: Simplify right side
163,338.12x = 21,481,160,429.98 - Step 5: Solve for x
x = 21,481,160,429.98/163,338.12 - Step 6: Final answer
x = 131,513.45
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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.