Finding the Fourth Proportional to 227,139.51, 313,454.62 and 125,168.62
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Solution
The fourth proportional to 227,139.51, 313,454.62 and 125,168.62 is: 172,733.85
Step by Step Solution
- Step 1: Write the proportion equation
227,139.51 : 313,454.62 = 125,168.62 : x - Step 2: Convert to fraction form
227,139.51/313,454.62 = 125,168.62/x - Step 3: Cross multiply
227,139.51x = 313,454.62 × 125,168.62 - Step 4: Simplify right side
227,139.51x = 39,234,681,296.98 - Step 5: Solve for x
x = 39,234,681,296.98/227,139.51 - Step 6: Final answer
x = 172,733.85
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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.