Finding the Fourth Proportional to 212,273.55, 292,926.92 and 116,777.79
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Solution
The fourth proportional to 212,273.55, 292,926.92 and 116,777.79 is: 161,147.53
Step by Step Solution
- Step 1: Write the proportion equation
212,273.55 : 292,926.92 = 116,777.79 : x - Step 2: Convert to fraction form
212,273.55/292,926.92 = 116,777.79/x - Step 3: Cross multiply
212,273.55x = 292,926.92 × 116,777.79 - Step 4: Simplify right side
212,273.55x = 34,207,357,765.22 - Step 5: Solve for x
x = 34,207,357,765.22/212,273.55 - Step 6: Final answer
x = 161,147.53
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1.5x scale
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.