Finding the Fourth Proportional to 203,731.48, 281,167.28 and 118,875.88
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Solution
The fourth proportional to 203,731.48, 281,167.28 and 118,875.88 is: 164,059.12
Step by Step Solution
- Step 1: Write the proportion equation
203,731.48 : 281,167.28 = 118,875.88 : x - Step 2: Convert to fraction form
203,731.48/281,167.28 = 118,875.88/x - Step 3: Cross multiply
203,731.48x = 281,167.28 × 118,875.88 - Step 4: Simplify right side
203,731.48x = 33,424,007,837.21 - Step 5: Solve for x
x = 33,424,007,837.21/203,731.48 - Step 6: Final answer
x = 164,059.12
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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.