Finding the Fourth Proportional to 226,993.16, 340,476.78 and 86,765.96
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Solution
The fourth proportional to 226,993.16, 340,476.78 and 86,765.96 is: 130,143.99
Step by Step Solution
- Step 1: Write the proportion equation
226,993.16 : 340,476.78 = 86,765.96 : x - Step 2: Convert to fraction form
226,993.16/340,476.78 = 86,765.96/x - Step 3: Cross multiply
226,993.16x = 340,476.78 × 86,765.96 - Step 4: Simplify right side
226,993.16x = 29,541,794,674.41 - Step 5: Solve for x
x = 29,541,794,674.41/226,993.16 - Step 6: Final answer
x = 130,143.99
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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.