Finding the Fourth Proportional to 221,333.12, 305,418.48 and 125,834.48
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Solution
The fourth proportional to 221,333.12, 305,418.48 and 125,834.48 is: 173,639.52
Step by Step Solution
- Step 1: Write the proportion equation
221,333.12 : 305,418.48 = 125,834.48 : x - Step 2: Convert to fraction form
221,333.12/305,418.48 = 125,834.48/x - Step 3: Cross multiply
221,333.12x = 305,418.48 × 125,834.48 - Step 4: Simplify right side
221,333.12x = 38,432,175,613.19 - Step 5: Solve for x
x = 38,432,175,613.19/221,333.12 - Step 6: Final answer
x = 173,639.52
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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.