Finding the Fourth Proportional to 331,560.23, 497,343.77 and 265,420.80
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Solution
The fourth proportional to 331,560.23, 497,343.77 and 265,420.80 is: 398,133.94
Step by Step Solution
- Step 1: Write the proportion equation
331,560.23 : 497,343.77 = 265,420.80 : x - Step 2: Convert to fraction form
331,560.23/497,343.77 = 265,420.80/x - Step 3: Cross multiply
331,560.23x = 497,343.77 × 265,420.80 - Step 4: Simplify right side
331,560.23x = 132,005,379,981.31 - Step 5: Solve for x
x = 132,005,379,981.31/331,560.23 - Step 6: Final answer
x = 398,133.94
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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.