Finding the Fourth Proportional to 173,609.63, 239,588.09 and 101,989.02
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Solution
The fourth proportional to 173,609.63, 239,588.09 and 101,989.02 is: 140,748.84
Step by Step Solution
- Step 1: Write the proportion equation
173,609.63 : 239,588.09 = 101,989.02 : x - Step 2: Convert to fraction form
173,609.63/239,588.09 = 101,989.02/x - Step 3: Cross multiply
173,609.63x = 239,588.09 × 101,989.02 - Step 4: Simplify right side
173,609.63x = 24,435,353,992.83 - Step 5: Solve for x
x = 24,435,353,992.83/173,609.63 - Step 6: Final answer
x = 140,748.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.