Finding the Fourth Proportional to 331,351.13, 497,026.70 and 82,033.13
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Solution
The fourth proportional to 331,351.13, 497,026.70 and 82,033.13 is: 123,049.70
Step by Step Solution
- Step 1: Write the proportion equation
331,351.13 : 497,026.70 = 82,033.13 : x - Step 2: Convert to fraction form
331,351.13/497,026.70 = 82,033.13/x - Step 3: Cross multiply
331,351.13x = 497,026.70 × 82,033.13 - Step 4: Simplify right side
331,351.13x = 40,772,655,894.57 - Step 5: Solve for x
x = 40,772,655,894.57/331,351.13 - Step 6: Final answer
x = 123,049.70
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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.