Finding the Fourth Proportional to 227,043.72, 313,344.94 and 125,079.63
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Solution
The fourth proportional to 227,043.72, 313,344.94 and 125,079.63 is: 172,623.45
Step by Step Solution
- Step 1: Write the proportion equation
227,043.72 : 313,344.94 = 125,079.63 : x - Step 2: Convert to fraction form
227,043.72/313,344.94 = 125,079.63/x - Step 3: Cross multiply
227,043.72x = 313,344.94 × 125,079.63 - Step 4: Simplify right side
227,043.72x = 39,193,069,157.57 - Step 5: Solve for x
x = 39,193,069,157.57/227,043.72 - Step 6: Final answer
x = 172,623.45
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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.