Finding the Fourth Proportional to 213,277.79, 294,319.27 and 117,782.44
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Solution
The fourth proportional to 213,277.79, 294,319.27 and 117,782.44 is: 162,537.51
Step by Step Solution
- Step 1: Write the proportion equation
213,277.79 : 294,319.27 = 117,782.44 : x - Step 2: Convert to fraction form
213,277.79/294,319.27 = 117,782.44/x - Step 3: Cross multiply
213,277.79x = 294,319.27 × 117,782.44 - Step 4: Simplify right side
213,277.79x = 34,665,641,171.05 - Step 5: Solve for x
x = 34,665,641,171.05/213,277.79 - Step 6: Final answer
x = 162,537.51
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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.