Finding the Fourth Proportional to 221,068.52, 305,063.70 and 125,562.68
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Solution
The fourth proportional to 221,068.52, 305,063.70 and 125,562.68 is: 173,270.33
Step by Step Solution
- Step 1: Write the proportion equation
221,068.52 : 305,063.70 = 125,562.68 : x - Step 2: Convert to fraction form
221,068.52/305,063.70 = 125,562.68/x - Step 3: Cross multiply
221,068.52x = 305,063.70 × 125,562.68 - Step 4: Simplify right side
221,068.52x = 38,304,615,742.72 - Step 5: Solve for x
x = 38,304,615,742.72/221,068.52 - Step 6: Final answer
x = 173,270.33
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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.