Finding the Fourth Proportional to 336,221.20, 504,331.80 and 125,831.80
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Solution
The fourth proportional to 336,221.20, 504,331.80 and 125,831.80 is: 188,747.70
Step by Step Solution
- Step 1: Write the proportion equation
336,221.20 : 504,331.80 = 125,831.80 : x - Step 2: Convert to fraction form
336,221.20/504,331.80 = 125,831.80/x - Step 3: Cross multiply
336,221.20x = 504,331.80 × 125,831.80 - Step 4: Simplify right side
336,221.20x = 63,460,978,191.24 - Step 5: Solve for x
x = 63,460,978,191.24/336,221.20 - Step 6: Final answer
x = 188,747.70
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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.