Finding the Fourth Proportional to 227,189.85, 313,509.21 and 125,214.99
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Solution
The fourth proportional to 227,189.85, 313,509.21 and 125,214.99 is: 172,789.64
Step by Step Solution
- Step 1: Write the proportion equation
227,189.85 : 313,509.21 = 125,214.99 : x - Step 2: Convert to fraction form
227,189.85/313,509.21 = 125,214.99/x - Step 3: Cross multiply
227,189.85x = 313,509.21 × 125,214.99 - Step 4: Simplify right side
227,189.85x = 39,256,052,595.06 - Step 5: Solve for x
x = 39,256,052,595.06/227,189.85 - Step 6: Final answer
x = 172,789.64
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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.