Finding the Fourth Proportional to 134,246.76, 201,244.38 and 45,438.09
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Solution
The fourth proportional to 134,246.76, 201,244.38 and 45,438.09 is: 68,114.57
Step by Step Solution
- Step 1: Write the proportion equation
134,246.76 : 201,244.38 = 45,438.09 : x - Step 2: Convert to fraction form
134,246.76/201,244.38 = 45,438.09/x - Step 3: Cross multiply
134,246.76x = 201,244.38 × 45,438.09 - Step 4: Simplify right side
134,246.76x = 9,144,160,250.43 - Step 5: Solve for x
x = 9,144,160,250.43/134,246.76 - Step 6: Final answer
x = 68,114.57
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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.