Finding the Fourth Proportional to 190,140.66, 262,571.92 and 122,275.49
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Solution
The fourth proportional to 190,140.66, 262,571.92 and 122,275.49 is: 168,854.52
Step by Step Solution
- Step 1: Write the proportion equation
190,140.66 : 262,571.92 = 122,275.49 : x - Step 2: Convert to fraction form
190,140.66/262,571.92 = 122,275.49/x - Step 3: Cross multiply
190,140.66x = 262,571.92 × 122,275.49 - Step 4: Simplify right side
190,140.66x = 32,106,110,178.24 - Step 5: Solve for x
x = 32,106,110,178.24/190,140.66 - Step 6: Final answer
x = 168,854.52
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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.