Finding the Fourth Proportional to 226,991.16, 340,473.78 and 86,763.96
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Solution
The fourth proportional to 226,991.16, 340,473.78 and 86,763.96 is: 130,140.99
Step by Step Solution
- Step 1: Write the proportion equation
226,991.16 : 340,473.78 = 86,763.96 : x - Step 2: Convert to fraction form
226,991.16/340,473.78 = 86,763.96/x - Step 3: Cross multiply
226,991.16x = 340,473.78 × 86,763.96 - Step 4: Simplify right side
226,991.16x = 29,540,853,428.97 - Step 5: Solve for x
x = 29,540,853,428.97/226,991.16 - Step 6: Final answer
x = 130,140.99
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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.