Finding the Fourth Proportional to 173,659.11, 239,419.84 and 125,220.50
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Solution
The fourth proportional to 173,659.11, 239,419.84 and 125,220.50 is: 172,638.64
Step by Step Solution
- Step 1: Write the proportion equation
173,659.11 : 239,419.84 = 125,220.50 : x - Step 2: Convert to fraction form
173,659.11/239,419.84 = 125,220.50/x - Step 3: Cross multiply
173,659.11x = 239,419.84 × 125,220.50 - Step 4: Simplify right side
173,659.11x = 29,980,272,074.72 - Step 5: Solve for x
x = 29,980,272,074.72/173,659.11 - Step 6: Final answer
x = 172,638.64
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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.