Finding the Fourth Proportional to 190,394.41, 262,863.93 and 122,529.58
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Solution
The fourth proportional to 190,394.41, 262,863.93 and 122,529.58 is: 169,167.82
Step by Step Solution
- Step 1: Write the proportion equation
190,394.41 : 262,863.93 = 122,529.58 : x - Step 2: Convert to fraction form
190,394.41/262,863.93 = 122,529.58/x - Step 3: Cross multiply
190,394.41x = 262,863.93 × 122,529.58 - Step 4: Simplify right side
190,394.41x = 32,208,606,940.05 - Step 5: Solve for x
x = 32,208,606,940.05/190,394.41 - Step 6: Final answer
x = 169,167.82
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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.