Finding the Fourth Proportional to 165,786.18, 248,606.19 and 47,430.60
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Solution
The fourth proportional to 165,786.18, 248,606.19 and 47,430.60 is: 71,124.99
Step by Step Solution
- Step 1: Write the proportion equation
165,786.18 : 248,606.19 = 47,430.60 : x - Step 2: Convert to fraction form
165,786.18/248,606.19 = 47,430.60/x - Step 3: Cross multiply
165,786.18x = 248,606.19 × 47,430.60 - Step 4: Simplify right side
165,786.18x = 11,791,540,755.41 - Step 5: Solve for x
x = 11,791,540,755.41/165,786.18 - Step 6: Final answer
x = 71,124.99
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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.