Finding the Fourth Proportional to 226,905.03, 340,406.55 and 69,129.18
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Solution
The fourth proportional to 226,905.03, 340,406.55 and 69,129.18 is: 103,708.70
Step by Step Solution
- Step 1: Write the proportion equation
226,905.03 : 340,406.55 = 69,129.18 : x - Step 2: Convert to fraction form
226,905.03/340,406.55 = 69,129.18/x - Step 3: Cross multiply
226,905.03x = 340,406.55 × 69,129.18 - Step 4: Simplify right side
226,905.03x = 23,532,025,668.13 - Step 5: Solve for x
x = 23,532,025,668.13/226,905.03 - Step 6: Final answer
x = 103,708.70
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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.