Finding the Fourth Proportional to 259,224.24, 357,729.48 and 139,992.24
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Solution
The fourth proportional to 259,224.24, 357,729.48 and 139,992.24 is: 193,189.31
Step by Step Solution
- Step 1: Write the proportion equation
259,224.24 : 357,729.48 = 139,992.24 : x - Step 2: Convert to fraction form
259,224.24/357,729.48 = 139,992.24/x - Step 3: Cross multiply
259,224.24x = 357,729.48 × 139,992.24 - Step 4: Simplify right side
259,224.24x = 50,079,351,219.24 - Step 5: Solve for x
x = 50,079,351,219.24/259,224.24 - Step 6: Final answer
x = 193,189.31
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1.5x scale
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.