Finding the Fourth Proportional to 210,147.08, 289,963.26 and 125,272.04
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Solution
The fourth proportional to 210,147.08, 289,963.26 and 125,272.04 is: 172,851.74
Step by Step Solution
- Step 1: Write the proportion equation
210,147.08 : 289,963.26 = 125,272.04 : x - Step 2: Convert to fraction form
210,147.08/289,963.26 = 125,272.04/x - Step 3: Cross multiply
210,147.08x = 289,963.26 × 125,272.04 - Step 4: Simplify right side
210,147.08x = 36,324,289,105.25 - Step 5: Solve for x
x = 36,324,289,105.25/210,147.08 - Step 6: Final answer
x = 172,851.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.