Finding the Fourth Proportional to 212,119.56, 292,707.56 and 124,890.80
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Solution
The fourth proportional to 212,119.56, 292,707.56 and 124,890.80 is: 172,339.03
Step by Step Solution
- Step 1: Write the proportion equation
212,119.56 : 292,707.56 = 124,890.80 : x - Step 2: Convert to fraction form
212,119.56/292,707.56 = 124,890.80/x - Step 3: Cross multiply
212,119.56x = 292,707.56 × 124,890.80 - Step 4: Simplify right side
212,119.56x = 36,556,479,246.46 - Step 5: Solve for x
x = 36,556,479,246.46/212,119.56 - Step 6: Final answer
x = 172,339.03
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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.