Finding the Fourth Proportional to 201,525.05, 278,144.34 and 115,541.80
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Solution
The fourth proportional to 201,525.05, 278,144.34 and 115,541.80 is: 159,470.49
Step by Step Solution
- Step 1: Write the proportion equation
201,525.05 : 278,144.34 = 115,541.80 : x - Step 2: Convert to fraction form
201,525.05/278,144.34 = 115,541.80/x - Step 3: Cross multiply
201,525.05x = 278,144.34 × 115,541.80 - Step 4: Simplify right side
201,525.05x = 32,137,297,703.41 - Step 5: Solve for x
x = 32,137,297,703.41/201,525.05 - Step 6: Final answer
x = 159,470.49
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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.