Finding the Fourth Proportional to 221,063.52, 305,056.80 and 125,557.68
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Solution
The fourth proportional to 221,063.52, 305,056.80 and 125,557.68 is: 173,263.43
Step by Step Solution
- Step 1: Write the proportion equation
221,063.52 : 305,056.80 = 125,557.68 : x - Step 2: Convert to fraction form
221,063.52/305,056.80 = 125,557.68/x - Step 3: Cross multiply
221,063.52x = 305,056.80 × 125,557.68 - Step 4: Simplify right side
221,063.52x = 38,302,224,076.22 - Step 5: Solve for x
x = 38,302,224,076.22/221,063.52 - Step 6: Final answer
x = 173,263.43
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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.