Finding the Fourth Proportional to 269,486.75, 371,823.26 and 197,742.21
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Solution
The fourth proportional to 269,486.75, 371,823.26 and 197,742.21 is: 272,834.02
Step by Step Solution
- Step 1: Write the proportion equation
269,486.75 : 371,823.26 = 197,742.21 : x - Step 2: Convert to fraction form
269,486.75/371,823.26 = 197,742.21/x - Step 3: Cross multiply
269,486.75x = 371,823.26 × 197,742.21 - Step 4: Simplify right side
269,486.75x = 73,525,152,173.09 - Step 5: Solve for x
x = 73,525,152,173.09/269,486.75 - Step 6: Final answer
x = 272,834.02
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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.