Finding the Fourth Proportional to 290,265.21, 435,563.64 and 112,749.12
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Solution
The fourth proportional to 290,265.21, 435,563.64 and 112,749.12 is: 169,188.09
Step by Step Solution
- Step 1: Write the proportion equation
290,265.21 : 435,563.64 = 112,749.12 : x - Step 2: Convert to fraction form
290,265.21/435,563.64 = 112,749.12/x - Step 3: Cross multiply
290,265.21x = 435,563.64 × 112,749.12 - Step 4: Simplify right side
290,265.21x = 49,109,417,114.00 - Step 5: Solve for x
x = 49,109,417,114.00/290,265.21 - Step 6: Final answer
x = 169,188.09
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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.