Finding the Fourth Proportional to 221,241.68, 305,310.67 and 125,742.07
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Solution
The fourth proportional to 221,241.68, 305,310.67 and 125,742.07 is: 173,522.44
Step by Step Solution
- Step 1: Write the proportion equation
221,241.68 : 305,310.67 = 125,742.07 : x - Step 2: Convert to fraction form
221,241.68/305,310.67 = 125,742.07/x - Step 3: Cross multiply
221,241.68x = 305,310.67 × 125,742.07 - Step 4: Simplify right side
221,241.68x = 38,390,395,706.17 - Step 5: Solve for x
x = 38,390,395,706.17/221,241.68 - Step 6: Final answer
x = 173,522.44
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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.