Finding the Fourth Proportional to 178,515.09, 267,568.52 and 73,203.75
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Solution
The fourth proportional to 178,515.09, 267,568.52 and 73,203.75 is: 109,721.92
Step by Step Solution
- Step 1: Write the proportion equation
178,515.09 : 267,568.52 = 73,203.75 : x - Step 2: Convert to fraction form
178,515.09/267,568.52 = 73,203.75/x - Step 3: Cross multiply
178,515.09x = 267,568.52 × 73,203.75 - Step 4: Simplify right side
178,515.09x = 19,587,018,679.93 - Step 5: Solve for x
x = 19,587,018,679.93/178,515.09 - Step 6: Final answer
x = 109,721.92
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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.