Finding the Fourth Proportional to 326,542.48, 488,695.32 and 226,815.12
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Solution
The fourth proportional to 326,542.48, 488,695.32 and 226,815.12 is: 339,445.84
Step by Step Solution
- Step 1: Write the proportion equation
326,542.48 : 488,695.32 = 226,815.12 : x - Step 2: Convert to fraction form
326,542.48/488,695.32 = 226,815.12/x - Step 3: Cross multiply
326,542.48x = 488,695.32 × 226,815.12 - Step 4: Simplify right side
326,542.48x = 110,843,487,649.24 - Step 5: Solve for x
x = 110,843,487,649.24/326,542.48 - Step 6: Final answer
x = 339,445.84
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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.