Finding the Fourth Proportional to 252,884.54, 349,004.79 and 138,180.62
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Solution
The fourth proportional to 252,884.54, 349,004.79 and 138,180.62 is: 190,702.43
Step by Step Solution
- Step 1: Write the proportion equation
252,884.54 : 349,004.79 = 138,180.62 : x - Step 2: Convert to fraction form
252,884.54/349,004.79 = 138,180.62/x - Step 3: Cross multiply
252,884.54x = 349,004.79 × 138,180.62 - Step 4: Simplify right side
252,884.54x = 48,225,695,829.24 - Step 5: Solve for x
x = 48,225,695,829.24/252,884.54 - Step 6: Final answer
x = 190,702.43
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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.