Finding the Fourth Proportional to 341,971.62, 471,945.26 and 189,006.52
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Solution
The fourth proportional to 341,971.62, 471,945.26 and 189,006.52 is: 260,842.50
Step by Step Solution
- Step 1: Write the proportion equation
341,971.62 : 471,945.26 = 189,006.52 : x - Step 2: Convert to fraction form
341,971.62/471,945.26 = 189,006.52/x - Step 3: Cross multiply
341,971.62x = 471,945.26 × 189,006.52 - Step 4: Simplify right side
341,971.62x = 89,200,731,223.10 - Step 5: Solve for x
x = 89,200,731,223.10/341,971.62 - Step 6: Final answer
x = 260,842.50
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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.