Finding the Fourth Proportional to 155,440.97, 214,508.54 and 88,372.97
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Solution
The fourth proportional to 155,440.97, 214,508.54 and 88,372.97 is: 121,954.69
Step by Step Solution
- Step 1: Write the proportion equation
155,440.97 : 214,508.54 = 88,372.97 : x - Step 2: Convert to fraction form
155,440.97/214,508.54 = 88,372.97/x - Step 3: Cross multiply
155,440.97x = 214,508.54 × 88,372.97 - Step 4: Simplify right side
155,440.97x = 18,956,755,255.76 - Step 5: Solve for x
x = 18,956,755,255.76/155,440.97 - Step 6: Final answer
x = 121,954.69
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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.