Finding the Fourth Proportional to 227,251.40, 313,630.26 and 136,636.88
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Solution
The fourth proportional to 227,251.40, 313,630.26 and 136,636.88 is: 188,572.92
Step by Step Solution
- Step 1: Write the proportion equation
227,251.40 : 313,630.26 = 136,636.88 : x - Step 2: Convert to fraction form
227,251.40/313,630.26 = 136,636.88/x - Step 3: Cross multiply
227,251.40x = 313,630.26 × 136,636.88 - Step 4: Simplify right side
227,251.40x = 42,853,460,199.99 - Step 5: Solve for x
x = 42,853,460,199.99/227,251.40 - Step 6: Final answer
x = 188,572.92
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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.