Finding the Fourth Proportional to 351,477.44, 527,107.12 and 126,808.68
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Solution
The fourth proportional to 351,477.44, 527,107.12 and 126,808.68 is: 190,173.68
Step by Step Solution
- Step 1: Write the proportion equation
351,477.44 : 527,107.12 = 126,808.68 : x - Step 2: Convert to fraction form
351,477.44/527,107.12 = 126,808.68/x - Step 3: Cross multiply
351,477.44x = 527,107.12 × 126,808.68 - Step 4: Simplify right side
351,477.44x = 66,841,758,105.80 - Step 5: Solve for x
x = 66,841,758,105.80/351,477.44 - Step 6: Final answer
x = 190,173.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.