Finding the Fourth Proportional to 165,489.86, 248,242.99 and 47,178.63
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Solution
The fourth proportional to 165,489.86, 248,242.99 and 47,178.63 is: 70,770.28
Step by Step Solution
- Step 1: Write the proportion equation
165,489.86 : 248,242.99 = 47,178.63 : x - Step 2: Convert to fraction form
165,489.86/248,242.99 = 47,178.63/x - Step 3: Cross multiply
165,489.86x = 248,242.99 × 47,178.63 - Step 4: Simplify right side
165,489.86x = 11,711,764,175.30 - Step 5: Solve for x
x = 11,711,764,175.30/165,489.86 - Step 6: Final answer
x = 70,770.28
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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.