Finding the Fourth Proportional to 165,648.24, 248,598.24 and 121,390.56
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Solution
The fourth proportional to 165,648.24, 248,598.24 and 121,390.56 is: 182,178.09
Step by Step Solution
- Step 1: Write the proportion equation
165,648.24 : 248,598.24 = 121,390.56 : x - Step 2: Convert to fraction form
165,648.24/248,598.24 = 121,390.56/x - Step 3: Cross multiply
165,648.24x = 248,598.24 × 121,390.56 - Step 4: Simplify right side
165,648.24x = 30,177,479,568.61 - Step 5: Solve for x
x = 30,177,479,568.61/165,648.24 - Step 6: Final answer
x = 182,178.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.