Finding the Fourth Proportional to 221,244.18, 305,314.11 and 125,744.58
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Solution
The fourth proportional to 221,244.18, 305,314.11 and 125,744.58 is: 173,525.90
Step by Step Solution
- Step 1: Write the proportion equation
221,244.18 : 305,314.11 = 125,744.58 : x - Step 2: Convert to fraction form
221,244.18/305,314.11 = 125,744.58/x - Step 3: Cross multiply
221,244.18x = 305,314.11 × 125,744.58 - Step 4: Simplify right side
221,244.18x = 38,391,594,530.02 - Step 5: Solve for x
x = 38,391,594,530.02/221,244.18 - Step 6: Final answer
x = 173,525.90
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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.