Finding the Fourth Proportional to 194,618.44, 268,582.80 and 109,733.68
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Solution
The fourth proportional to 194,618.44, 268,582.80 and 109,733.68 is: 151,437.75
Step by Step Solution
- Step 1: Write the proportion equation
194,618.44 : 268,582.80 = 109,733.68 : x - Step 2: Convert to fraction form
194,618.44/268,582.80 = 109,733.68/x - Step 3: Cross multiply
194,618.44x = 268,582.80 × 109,733.68 - Step 4: Simplify right side
194,618.44x = 29,472,579,028.70 - Step 5: Solve for x
x = 29,472,579,028.70/194,618.44 - Step 6: Final answer
x = 151,437.75
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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.