Finding the Fourth Proportional to 174,518.56, 261,763.17 and 69,309.28
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Solution
The fourth proportional to 174,518.56, 261,763.17 and 69,309.28 is: 103,958.09
Step by Step Solution
- Step 1: Write the proportion equation
174,518.56 : 261,763.17 = 69,309.28 : x - Step 2: Convert to fraction form
174,518.56/261,763.17 = 69,309.28/x - Step 3: Cross multiply
174,518.56x = 261,763.17 × 69,309.28 - Step 4: Simplify right side
174,518.56x = 18,142,616,843.22 - Step 5: Solve for x
x = 18,142,616,843.22/174,518.56 - Step 6: Final answer
x = 103,958.09
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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.