Finding the Fourth Proportional to 201,854.70, 302,198.85 and 123,122.70
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Solution
The fourth proportional to 201,854.70, 302,198.85 and 123,122.70 is: 184,328.32
Step by Step Solution
- Step 1: Write the proportion equation
201,854.70 : 302,198.85 = 123,122.70 : x - Step 2: Convert to fraction form
201,854.70/302,198.85 = 123,122.70/x - Step 3: Cross multiply
201,854.70x = 302,198.85 × 123,122.70 - Step 4: Simplify right side
201,854.70x = 37,207,538,348.90 - Step 5: Solve for x
x = 37,207,538,348.90/201,854.70 - Step 6: Final answer
x = 184,328.32
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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.