Finding the Fourth Proportional to 213,137.93, 294,137.48 and 116,347.53
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Solution
The fourth proportional to 213,137.93, 294,137.48 and 116,347.53 is: 160,563.49
Step by Step Solution
- Step 1: Write the proportion equation
213,137.93 : 294,137.48 = 116,347.53 : x - Step 2: Convert to fraction form
213,137.93/294,137.48 = 116,347.53/x - Step 3: Cross multiply
213,137.93x = 294,137.48 × 116,347.53 - Step 4: Simplify right side
213,137.93x = 34,222,169,278.42 - Step 5: Solve for x
x = 34,222,169,278.42/213,137.93 - Step 6: Final answer
x = 160,563.49
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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.