Finding the Fourth Proportional to 189,071.08, 260,919.84 and 104,191.18
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Solution
The fourth proportional to 189,071.08, 260,919.84 and 104,191.18 is: 143,784.79
Step by Step Solution
- Step 1: Write the proportion equation
189,071.08 : 260,919.84 = 104,191.18 : x - Step 2: Convert to fraction form
189,071.08/260,919.84 = 104,191.18/x - Step 3: Cross multiply
189,071.08x = 260,919.84 × 104,191.18 - Step 4: Simplify right side
189,071.08x = 27,185,546,015.01 - Step 5: Solve for x
x = 27,185,546,015.01/189,071.08 - Step 6: Final answer
x = 143,784.79
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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.