Finding the Fourth Proportional to 209,372.00, 313,920.19 and 138,077.26
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Solution
The fourth proportional to 209,372.00, 313,920.19 and 138,077.26 is: 207,025.00
Step by Step Solution
- Step 1: Write the proportion equation
209,372.00 : 313,920.19 = 138,077.26 : x - Step 2: Convert to fraction form
209,372.00/313,920.19 = 138,077.26/x - Step 3: Cross multiply
209,372.00x = 313,920.19 × 138,077.26 - Step 4: Simplify right side
209,372.00x = 43,345,238,563.89 - Step 5: Solve for x
x = 43,345,238,563.89/209,372.00 - Step 6: Final answer
x = 207,025.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.