Finding the Fourth Proportional to 209,132.21, 313,699.37 and 51,360.68
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Solution
The fourth proportional to 209,132.21, 313,699.37 and 51,360.68 is: 77,041.28
Step by Step Solution
- Step 1: Write the proportion equation
209,132.21 : 313,699.37 = 51,360.68 : x - Step 2: Convert to fraction form
209,132.21/313,699.37 = 51,360.68/x - Step 3: Cross multiply
209,132.21x = 313,699.37 × 51,360.68 - Step 4: Simplify right side
209,132.21x = 16,111,813,486.22 - Step 5: Solve for x
x = 16,111,813,486.22/209,132.21 - Step 6: Final answer
x = 77,041.28
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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.