Finding the Fourth Proportional to 347,542.11, 521,354.21 and 110,801.79
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Solution
The fourth proportional to 347,542.11, 521,354.21 and 110,801.79 is: 166,215.77
Step by Step Solution
- Step 1: Write the proportion equation
347,542.11 : 521,354.21 = 110,801.79 : x - Step 2: Convert to fraction form
347,542.11/521,354.21 = 110,801.79/x - Step 3: Cross multiply
347,542.11x = 521,354.21 × 110,801.79 - Step 4: Simplify right side
347,542.11x = 57,766,979,138.03 - Step 5: Solve for x
x = 57,766,979,138.03/347,542.11 - Step 6: Final answer
x = 166,215.77
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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.