Finding the Fourth Proportional to 134,454.75, 201,682.14 and 40,960.50
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Solution
The fourth proportional to 134,454.75, 201,682.14 and 40,960.50 is: 61,440.75
Step by Step Solution
- Step 1: Write the proportion equation
134,454.75 : 201,682.14 = 40,960.50 : x - Step 2: Convert to fraction form
134,454.75/201,682.14 = 40,960.50/x - Step 3: Cross multiply
134,454.75x = 201,682.14 × 40,960.50 - Step 4: Simplify right side
134,454.75x = 8,261,001,295.47 - Step 5: Solve for x
x = 8,261,001,295.47/134,454.75 - Step 6: Final answer
x = 61,440.75
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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.