Finding the Fourth Proportional to 331,343.13, 497,014.70 and 82,025.13
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Solution
The fourth proportional to 331,343.13, 497,014.70 and 82,025.13 is: 123,037.70
Step by Step Solution
- Step 1: Write the proportion equation
331,343.13 : 497,014.70 = 82,025.13 : x - Step 2: Convert to fraction form
331,343.13/497,014.70 = 82,025.13/x - Step 3: Cross multiply
331,343.13x = 497,014.70 × 82,025.13 - Step 4: Simplify right side
331,343.13x = 40,767,695,379.41 - Step 5: Solve for x
x = 40,767,695,379.41/331,343.13 - Step 6: Final answer
x = 123,037.70
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1.5x scale
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.