Finding the Fourth Proportional to 261,970.44, 393,032.34 and 84,473.88
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Solution
The fourth proportional to 261,970.44, 393,032.34 and 84,473.88 is: 126,735.55
Step by Step Solution
- Step 1: Write the proportion equation
261,970.44 : 393,032.34 = 84,473.88 : x - Step 2: Convert to fraction form
261,970.44/393,032.34 = 84,473.88/x - Step 3: Cross multiply
261,970.44x = 393,032.34 × 84,473.88 - Step 4: Simplify right side
261,970.44x = 33,200,966,725.28 - Step 5: Solve for x
x = 33,200,966,725.28/261,970.44 - Step 6: Final answer
x = 126,735.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.