Finding the Fourth Proportional to 207,101.70, 310,455.64 and 132,011.06
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Solution
The fourth proportional to 207,101.70, 310,455.64 and 132,011.06 is: 197,891.08
Step by Step Solution
- Step 1: Write the proportion equation
207,101.70 : 310,455.64 = 132,011.06 : x - Step 2: Convert to fraction form
207,101.70/310,455.64 = 132,011.06/x - Step 3: Cross multiply
207,101.70x = 310,455.64 × 132,011.06 - Step 4: Simplify right side
207,101.70x = 40,983,578,119.38 - Step 5: Solve for x
x = 40,983,578,119.38/207,101.70 - Step 6: Final answer
x = 197,891.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.