Finding the Fourth Proportional to 262,728.09, 392,652.58 and 191,800.09
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Solution
The fourth proportional to 262,728.09, 392,652.58 and 191,800.09 is: 286,649.21
Step by Step Solution
- Step 1: Write the proportion equation
262,728.09 : 392,652.58 = 191,800.09 : x - Step 2: Convert to fraction form
262,728.09/392,652.58 = 191,800.09/x - Step 3: Cross multiply
262,728.09x = 392,652.58 × 191,800.09 - Step 4: Simplify right side
262,728.09x = 75,310,797,260.47 - Step 5: Solve for x
x = 75,310,797,260.47/262,728.09 - Step 6: Final answer
x = 286,649.21
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.