Finding the Fourth Proportional to 292,708.99, 439,229.57 and 115,340.56
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Solution
The fourth proportional to 292,708.99, 439,229.57 and 115,340.56 is: 173,076.28
Step by Step Solution
- Step 1: Write the proportion equation
292,708.99 : 439,229.57 = 115,340.56 : x - Step 2: Convert to fraction form
292,708.99/439,229.57 = 115,340.56/x - Step 3: Cross multiply
292,708.99x = 439,229.57 × 115,340.56 - Step 4: Simplify right side
292,708.99x = 50,660,982,897.58 - Step 5: Solve for x
x = 50,660,982,897.58/292,708.99 - Step 6: Final answer
x = 173,076.28
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1.5x scale
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.