Finding the Fourth Proportional to 201,581.04, 278,193.36 and 115,554.36
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Solution
The fourth proportional to 201,581.04, 278,193.36 and 115,554.36 is: 159,471.62
Step by Step Solution
- Step 1: Write the proportion equation
201,581.04 : 278,193.36 = 115,554.36 : x - Step 2: Convert to fraction form
201,581.04/278,193.36 = 115,554.36/x - Step 3: Cross multiply
201,581.04x = 278,193.36 × 115,554.36 - Step 4: Simplify right side
201,581.04x = 32,146,455,671.05 - Step 5: Solve for x
x = 32,146,455,671.05/201,581.04 - Step 6: Final answer
x = 159,471.62
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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.