Finding the Fourth Proportional to 163,537.63, 225,754.82 and 115,183.06
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Solution
The fourth proportional to 163,537.63, 225,754.82 and 115,183.06 is: 159,003.96
Step by Step Solution
- Step 1: Write the proportion equation
163,537.63 : 225,754.82 = 115,183.06 : x - Step 2: Convert to fraction form
163,537.63/225,754.82 = 115,183.06/x - Step 3: Cross multiply
163,537.63x = 225,754.82 × 115,183.06 - Step 4: Simplify right side
163,537.63x = 26,003,130,977.35 - Step 5: Solve for x
x = 26,003,130,977.35/163,537.63 - Step 6: Final answer
x = 159,003.96
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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.