Finding the Fourth Proportional to 224,145.99, 309,319.49 and 122,171.44
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Solution
The fourth proportional to 224,145.99, 309,319.49 and 122,171.44 is: 168,595.51
Step by Step Solution
- Step 1: Write the proportion equation
224,145.99 : 309,319.49 = 122,171.44 : x - Step 2: Convert to fraction form
224,145.99/309,319.49 = 122,171.44/x - Step 3: Cross multiply
224,145.99x = 309,319.49 × 122,171.44 - Step 4: Simplify right side
224,145.99x = 37,790,007,513.37 - Step 5: Solve for x
x = 37,790,007,513.37/224,145.99 - Step 6: Final answer
x = 168,595.51
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1.5x scale
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.