Finding the Fourth Proportional to 165,462.05, 248,119.26 and 47,105.70
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Solution
The fourth proportional to 165,462.05, 248,119.26 and 47,105.70 is: 70,637.54
Step by Step Solution
- Step 1: Write the proportion equation
165,462.05 : 248,119.26 = 47,105.70 : x - Step 2: Convert to fraction form
165,462.05/248,119.26 = 47,105.70/x - Step 3: Cross multiply
165,462.05x = 248,119.26 × 47,105.70 - Step 4: Simplify right side
165,462.05x = 11,687,831,425.78 - Step 5: Solve for x
x = 11,687,831,425.78/165,462.05 - Step 6: Final answer
x = 70,637.54
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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.