Finding the Fourth Proportional to 308,980.26, 426,399.24 and 174,844.26
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Solution
The fourth proportional to 308,980.26, 426,399.24 and 174,844.26 is: 241,288.75
Step by Step Solution
- Step 1: Write the proportion equation
308,980.26 : 426,399.24 = 174,844.26 : x - Step 2: Convert to fraction form
308,980.26/426,399.24 = 174,844.26/x - Step 3: Cross multiply
308,980.26x = 426,399.24 × 174,844.26 - Step 4: Simplify right side
308,980.26x = 74,553,459,582.36 - Step 5: Solve for x
x = 74,553,459,582.36/308,980.26 - Step 6: Final answer
x = 241,288.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.