Finding the Fourth Proportional to 269,937.86, 372,289.65 and 202,114.94
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Solution
The fourth proportional to 269,937.86, 372,289.65 and 202,114.94 is: 278,750.45
Step by Step Solution
- Step 1: Write the proportion equation
269,937.86 : 372,289.65 = 202,114.94 : x - Step 2: Convert to fraction form
269,937.86/372,289.65 = 202,114.94/x - Step 3: Cross multiply
269,937.86x = 372,289.65 × 202,114.94 - Step 4: Simplify right side
269,937.86x = 75,245,300,272.37 - Step 5: Solve for x
x = 75,245,300,272.37/269,937.86 - Step 6: Final answer
x = 278,750.45
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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.