Finding the Fourth Proportional to 165,655.24, 248,608.74 and 121,397.56
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Solution
The fourth proportional to 165,655.24, 248,608.74 and 121,397.56 is: 182,188.59
Step by Step Solution
- Step 1: Write the proportion equation
165,655.24 : 248,608.74 = 121,397.56 : x - Step 2: Convert to fraction form
165,655.24/248,608.74 = 121,397.56/x - Step 3: Cross multiply
165,655.24x = 248,608.74 × 121,397.56 - Step 4: Simplify right side
165,655.24x = 30,180,494,430.67 - Step 5: Solve for x
x = 30,180,494,430.67/165,655.24 - Step 6: Final answer
x = 182,188.59
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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.