Finding the Fourth Proportional to 134,642.34, 201,901.43 and 39,838.62
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Solution
The fourth proportional to 134,642.34, 201,901.43 and 39,838.62 is: 59,739.56
Step by Step Solution
- Step 1: Write the proportion equation
134,642.34 : 201,901.43 = 39,838.62 : x - Step 2: Convert to fraction form
134,642.34/201,901.43 = 39,838.62/x - Step 3: Cross multiply
134,642.34x = 201,901.43 × 39,838.62 - Step 4: Simplify right side
134,642.34x = 8,043,474,148.03 - Step 5: Solve for x
x = 8,043,474,148.03/134,642.34 - Step 6: Final answer
x = 59,739.56
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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.