Finding the Fourth Proportional to 117,765.42, 176,648.21 and 29,018.92
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Solution
The fourth proportional to 117,765.42, 176,648.21 and 29,018.92 is: 43,528.40
Step by Step Solution
- Step 1: Write the proportion equation
117,765.42 : 176,648.21 = 29,018.92 : x - Step 2: Convert to fraction form
117,765.42/176,648.21 = 29,018.92/x - Step 3: Cross multiply
117,765.42x = 176,648.21 × 29,018.92 - Step 4: Simplify right side
117,765.42x = 5,126,140,274.13 - Step 5: Solve for x
x = 5,126,140,274.13/117,765.42 - Step 6: Final answer
x = 43,528.40
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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.