Finding the Fourth Proportional to 252,831.62, 348,456.43 and 191,430.70
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Solution
The fourth proportional to 252,831.62, 348,456.43 and 191,430.70 is: 263,832.74
Step by Step Solution
- Step 1: Write the proportion equation
252,831.62 : 348,456.43 = 191,430.70 : x - Step 2: Convert to fraction form
252,831.62/348,456.43 = 191,430.70/x - Step 3: Cross multiply
252,831.62x = 348,456.43 × 191,430.70 - Step 4: Simplify right side
252,831.62x = 66,705,258,314.40 - Step 5: Solve for x
x = 66,705,258,314.40/252,831.62 - Step 6: Final answer
x = 263,832.74
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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.