Finding the Fourth Proportional to 212,285.23, 292,953.61 and 116,789.88
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Solution
The fourth proportional to 212,285.23, 292,953.61 and 116,789.88 is: 161,170.02
Step by Step Solution
- Step 1: Write the proportion equation
212,285.23 : 292,953.61 = 116,789.88 : x - Step 2: Convert to fraction form
212,285.23/292,953.61 = 116,789.88/x - Step 3: Cross multiply
212,285.23x = 292,953.61 × 116,789.88 - Step 4: Simplify right side
212,285.23x = 34,214,015,200.72 - Step 5: Solve for x
x = 34,214,015,200.72/212,285.23 - Step 6: Final answer
x = 161,170.02
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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.