Finding the Fourth Proportional to 226,303.44, 339,496.68 and 74,509.18
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Solution
The fourth proportional to 226,303.44, 339,496.68 and 74,509.18 is: 111,777.44
Step by Step Solution
- Step 1: Write the proportion equation
226,303.44 : 339,496.68 = 74,509.18 : x - Step 2: Convert to fraction form
226,303.44/339,496.68 = 74,509.18/x - Step 3: Cross multiply
226,303.44x = 339,496.68 × 74,509.18 - Step 4: Simplify right side
226,303.44x = 25,295,619,239.52 - Step 5: Solve for x
x = 25,295,619,239.52/226,303.44 - Step 6: Final answer
x = 111,777.44
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1.5x scale
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.