Finding the Fourth Proportional to 331,837.80, 497,756.70 and 110,221.80
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Solution
The fourth proportional to 331,837.80, 497,756.70 and 110,221.80 is: 165,332.70
Step by Step Solution
- Step 1: Write the proportion equation
331,837.80 : 497,756.70 = 110,221.80 : x - Step 2: Convert to fraction form
331,837.80/497,756.70 = 110,221.80/x - Step 3: Cross multiply
331,837.80x = 497,756.70 × 110,221.80 - Step 4: Simplify right side
331,837.80x = 54,863,639,436.06 - Step 5: Solve for x
x = 54,863,639,436.06/331,837.80 - Step 6: Final answer
x = 165,332.70
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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.