Finding the Fourth Proportional to 213,256.67, 294,292.35 and 117,761.31
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Solution
The fourth proportional to 213,256.67, 294,292.35 and 117,761.31 is: 162,509.59
Step by Step Solution
- Step 1: Write the proportion equation
213,256.67 : 294,292.35 = 117,761.31 : x - Step 2: Convert to fraction form
213,256.67/294,292.35 = 117,761.31/x - Step 3: Cross multiply
213,256.67x = 294,292.35 × 117,761.31 - Step 4: Simplify right side
213,256.67x = 34,656,252,658.98 - Step 5: Solve for x
x = 34,656,252,658.98/213,256.67 - Step 6: Final answer
x = 162,509.59
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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.