Finding the Fourth Proportional to 189,126.48, 260,996.36 and 104,246.80
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Solution
The fourth proportional to 189,126.48, 260,996.36 and 104,246.80 is: 143,861.59
Step by Step Solution
- Step 1: Write the proportion equation
189,126.48 : 260,996.36 = 104,246.80 : x - Step 2: Convert to fraction form
189,126.48/260,996.36 = 104,246.80/x - Step 3: Cross multiply
189,126.48x = 260,996.36 × 104,246.80 - Step 4: Simplify right side
189,126.48x = 27,208,035,341.65 - Step 5: Solve for x
x = 27,208,035,341.65/189,126.48 - Step 6: Final answer
x = 143,861.59
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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.