Finding the Fourth Proportional to 213,851.48, 295,180.77 and 123,267.99
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Solution
The fourth proportional to 213,851.48, 295,180.77 and 123,267.99 is: 170,147.71
Step by Step Solution
- Step 1: Write the proportion equation
213,851.48 : 295,180.77 = 123,267.99 : x - Step 2: Convert to fraction form
213,851.48/295,180.77 = 123,267.99/x - Step 3: Cross multiply
213,851.48x = 295,180.77 × 123,267.99 - Step 4: Simplify right side
213,851.48x = 36,386,340,204.55 - Step 5: Solve for x
x = 36,386,340,204.55/213,851.48 - Step 6: Final answer
x = 170,147.71
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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.