Finding the Fourth Proportional to 200,492.58, 276,679.73 and 109,851.99
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Solution
The fourth proportional to 200,492.58, 276,679.73 and 109,851.99 is: 151,595.73
Step by Step Solution
- Step 1: Write the proportion equation
200,492.58 : 276,679.73 = 109,851.99 : x - Step 2: Convert to fraction form
200,492.58/276,679.73 = 109,851.99/x - Step 3: Cross multiply
200,492.58x = 276,679.73 × 109,851.99 - Step 4: Simplify right side
200,492.58x = 30,393,818,383.90 - Step 5: Solve for x
x = 30,393,818,383.90/200,492.58 - Step 6: Final answer
x = 151,595.73
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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.