Finding the Fourth Proportional to 397,693.36, 548,800.68 and 227,809.36
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Solution
The fourth proportional to 397,693.36, 548,800.68 and 227,809.36 is: 314,367.66
Step by Step Solution
- Step 1: Write the proportion equation
397,693.36 : 548,800.68 = 227,809.36 : x - Step 2: Convert to fraction form
397,693.36/548,800.68 = 227,809.36/x - Step 3: Cross multiply
397,693.36x = 548,800.68 × 227,809.36 - Step 4: Simplify right side
397,693.36x = 125,021,931,678.37 - Step 5: Solve for x
x = 125,021,931,678.37/397,693.36 - Step 6: Final answer
x = 314,367.66
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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.