Finding the Fourth Proportional to 197,480.36, 272,405.95 and 121,033.78
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Solution
The fourth proportional to 197,480.36, 272,405.95 and 121,033.78 is: 166,954.94
Step by Step Solution
- Step 1: Write the proportion equation
197,480.36 : 272,405.95 = 121,033.78 : x - Step 2: Convert to fraction form
197,480.36/272,405.95 = 121,033.78/x - Step 3: Cross multiply
197,480.36x = 272,405.95 × 121,033.78 - Step 4: Simplify right side
197,480.36x = 32,970,321,822.99 - Step 5: Solve for x
x = 32,970,321,822.99/197,480.36 - Step 6: Final answer
x = 166,954.94
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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.