Finding the Fourth Proportional to 201,737.06, 278,313.60 and 120,048.96
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Solution
The fourth proportional to 201,737.06, 278,313.60 and 120,048.96 is: 165,617.85
Step by Step Solution
- Step 1: Write the proportion equation
201,737.06 : 278,313.60 = 120,048.96 : x - Step 2: Convert to fraction form
201,737.06/278,313.60 = 120,048.96/x - Step 3: Cross multiply
201,737.06x = 278,313.60 × 120,048.96 - Step 4: Simplify right side
201,737.06x = 33,411,257,633.61 - Step 5: Solve for x
x = 33,411,257,633.61/201,737.06 - Step 6: Final answer
x = 165,617.85
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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.