Finding the Fourth Proportional to 134,028.34, 201,042.64 and 40,534.18
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Solution
The fourth proportional to 134,028.34, 201,042.64 and 40,534.18 is: 60,801.31
Step by Step Solution
- Step 1: Write the proportion equation
134,028.34 : 201,042.64 = 40,534.18 : x - Step 2: Convert to fraction form
134,028.34/201,042.64 = 40,534.18/x - Step 3: Cross multiply
134,028.34x = 201,042.64 × 40,534.18 - Step 4: Simplify right side
134,028.34x = 8,149,098,557.44 - Step 5: Solve for x
x = 8,149,098,557.44/134,028.34 - Step 6: Final answer
x = 60,801.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.