Finding the Fourth Proportional to 301,899.63, 416,631.02 and 165,944.09
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Solution
The fourth proportional to 301,899.63, 416,631.02 and 165,944.09 is: 229,008.08
Step by Step Solution
- Step 1: Write the proportion equation
301,899.63 : 416,631.02 = 165,944.09 : x - Step 2: Convert to fraction form
301,899.63/416,631.02 = 165,944.09/x - Step 3: Cross multiply
301,899.63x = 416,631.02 × 165,944.09 - Step 4: Simplify right side
301,899.63x = 69,137,456,158.25 - Step 5: Solve for x
x = 69,137,456,158.25/301,899.63 - Step 6: Final answer
x = 229,008.08
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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.