Finding the Fourth Proportional to 227,173.12, 313,501.08 and 125,202.28
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Solution
The fourth proportional to 227,173.12, 313,501.08 and 125,202.28 is: 172,780.34
Step by Step Solution
- Step 1: Write the proportion equation
227,173.12 : 313,501.08 = 125,202.28 : x - Step 2: Convert to fraction form
227,173.12/313,501.08 = 125,202.28/x - Step 3: Cross multiply
227,173.12x = 313,501.08 × 125,202.28 - Step 4: Simplify right side
227,173.12x = 39,251,049,998.46 - Step 5: Solve for x
x = 39,251,049,998.46/227,173.12 - Step 6: Final answer
x = 172,780.34
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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.