Finding the Fourth Proportional to 189,353.52, 261,308.70 and 104,473.08
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Solution
The fourth proportional to 189,353.52, 261,308.70 and 104,473.08 is: 144,173.32
Step by Step Solution
- Step 1: Write the proportion equation
189,353.52 : 261,308.70 = 104,473.08 : x - Step 2: Convert to fraction form
189,353.52/261,308.70 = 104,473.08/x - Step 3: Cross multiply
189,353.52x = 261,308.70 × 104,473.08 - Step 4: Simplify right side
189,353.52x = 27,299,724,719.80 - Step 5: Solve for x
x = 27,299,724,719.80/189,353.52 - Step 6: Final answer
x = 144,173.32
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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.