Finding the Fourth Proportional to 146,201.60, 201,748.73 and 84,942.36
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Solution
The fourth proportional to 146,201.60, 201,748.73 and 84,942.36 is: 117,214.95
Step by Step Solution
- Step 1: Write the proportion equation
146,201.60 : 201,748.73 = 84,942.36 : x - Step 2: Convert to fraction form
146,201.60/201,748.73 = 84,942.36/x - Step 3: Cross multiply
146,201.60x = 201,748.73 × 84,942.36 - Step 4: Simplify right side
146,201.60x = 17,137,012,828.49 - Step 5: Solve for x
x = 17,137,012,828.49/146,201.60 - Step 6: Final answer
x = 117,214.95
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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.