Finding the Fourth Proportional to 327,787.08, 491,732.34 and 117,420.36
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Solution
The fourth proportional to 327,787.08, 491,732.34 and 117,420.36 is: 176,149.07
Step by Step Solution
- Step 1: Write the proportion equation
327,787.08 : 491,732.34 = 117,420.36 : x - Step 2: Convert to fraction form
327,787.08/491,732.34 = 117,420.36/x - Step 3: Cross multiply
327,787.08x = 491,732.34 × 117,420.36 - Step 4: Simplify right side
327,787.08x = 57,739,388,386.44 - Step 5: Solve for x
x = 57,739,388,386.44/327,787.08 - Step 6: Final answer
x = 176,149.07
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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.