Finding the Fourth Proportional to 132,918.44, 183,424.74 and 73,302.44
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Solution
The fourth proportional to 132,918.44, 183,424.74 and 73,302.44 is: 101,155.87
Step by Step Solution
- Step 1: Write the proportion equation
132,918.44 : 183,424.74 = 73,302.44 : x - Step 2: Convert to fraction form
132,918.44/183,424.74 = 73,302.44/x - Step 3: Cross multiply
132,918.44x = 183,424.74 × 73,302.44 - Step 4: Simplify right side
132,918.44x = 13,445,480,998.37 - Step 5: Solve for x
x = 13,445,480,998.37/132,918.44 - Step 6: Final answer
x = 101,155.87
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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.