Finding the Fourth Proportional to 221,310.48, 305,434.28 and 125,831.48
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Solution
The fourth proportional to 221,310.48, 305,434.28 and 125,831.48 is: 173,662.12
Step by Step Solution
- Step 1: Write the proportion equation
221,310.48 : 305,434.28 = 125,831.48 : x - Step 2: Convert to fraction form
221,310.48/305,434.28 = 125,831.48/x - Step 3: Cross multiply
221,310.48x = 305,434.28 × 125,831.48 - Step 4: Simplify right side
221,310.48x = 38,433,247,495.13 - Step 5: Solve for x
x = 38,433,247,495.13/221,310.48 - Step 6: Final answer
x = 173,662.12
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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.