Finding the Fourth Proportional to 165,447.36, 248,168.16 and 47,119.68
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Solution
The fourth proportional to 165,447.36, 248,168.16 and 47,119.68 is: 70,678.70
Step by Step Solution
- Step 1: Write the proportion equation
165,447.36 : 248,168.16 = 47,119.68 : x - Step 2: Convert to fraction form
165,447.36/248,168.16 = 47,119.68/x - Step 3: Cross multiply
165,447.36x = 248,168.16 × 47,119.68 - Step 4: Simplify right side
165,447.36x = 11,693,604,285.39 - Step 5: Solve for x
x = 11,693,604,285.39/165,447.36 - Step 6: Final answer
x = 70,678.70
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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.