Finding the Fourth Proportional to 221,104.10, 305,124.66 and 125,616.03
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Solution
The fourth proportional to 221,104.10, 305,124.66 and 125,616.03 is: 173,350.69
Step by Step Solution
- Step 1: Write the proportion equation
221,104.10 : 305,124.66 = 125,616.03 : x - Step 2: Convert to fraction form
221,104.10/305,124.66 = 125,616.03/x - Step 3: Cross multiply
221,104.10x = 305,124.66 × 125,616.03 - Step 4: Simplify right side
221,104.10x = 38,328,548,444.30 - Step 5: Solve for x
x = 38,328,548,444.30/221,104.10 - Step 6: Final answer
x = 173,350.69
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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.