Finding the Fourth Proportional to 134,372.24, 185,101.44 and 115,189.28
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Solution
The fourth proportional to 134,372.24, 185,101.44 and 115,189.28 is: 158,676.39
Step by Step Solution
- Step 1: Write the proportion equation
134,372.24 : 185,101.44 = 115,189.28 : x - Step 2: Convert to fraction form
134,372.24/185,101.44 = 115,189.28/x - Step 3: Cross multiply
134,372.24x = 185,101.44 × 115,189.28 - Step 4: Simplify right side
134,372.24x = 21,321,701,600.56 - Step 5: Solve for x
x = 21,321,701,600.56/134,372.24 - Step 6: Final answer
x = 158,676.39
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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.