Finding the Fourth Proportional to 311,405.42, 467,108.40 and 222,831.92
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Solution
The fourth proportional to 311,405.42, 467,108.40 and 222,831.92 is: 334,248.07
Step by Step Solution
- Step 1: Write the proportion equation
311,405.42 : 467,108.40 = 222,831.92 : x - Step 2: Convert to fraction form
311,405.42/467,108.40 = 222,831.92/x - Step 3: Cross multiply
311,405.42x = 467,108.40 × 222,831.92 - Step 4: Simplify right side
311,405.42x = 104,086,661,620.13 - Step 5: Solve for x
x = 104,086,661,620.13/311,405.42 - Step 6: Final answer
x = 334,248.07
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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.