Finding the Fourth Proportional to 281,750.81, 422,652.26 and 101,881.13
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Solution
The fourth proportional to 281,750.81, 422,652.26 and 101,881.13 is: 152,831.11
Step by Step Solution
- Step 1: Write the proportion equation
281,750.81 : 422,652.26 = 101,881.13 : x - Step 2: Convert to fraction form
281,750.81/422,652.26 = 101,881.13/x - Step 3: Cross multiply
281,750.81x = 422,652.26 × 101,881.13 - Step 4: Simplify right side
281,750.81x = 43,060,287,987.30 - Step 5: Solve for x
x = 43,060,287,987.30/281,750.81 - Step 6: Final answer
x = 152,831.11
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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.