Finding the Fourth Proportional to 189,069.08, 260,917.08 and 104,189.18
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Solution
The fourth proportional to 189,069.08, 260,917.08 and 104,189.18 is: 143,782.03
Step by Step Solution
- Step 1: Write the proportion equation
189,069.08 : 260,917.08 = 104,189.18 : x - Step 2: Convert to fraction form
189,069.08/260,917.08 = 104,189.18/x - Step 3: Cross multiply
189,069.08x = 260,917.08 × 104,189.18 - Step 4: Simplify right side
189,069.08x = 27,184,736,613.19 - Step 5: Solve for x
x = 27,184,736,613.19/189,069.08 - Step 6: Final answer
x = 143,782.03
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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.