Finding the Fourth Proportional to 663,699.25, 995,464.14 and 214,373.44
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Solution
The fourth proportional to 663,699.25, 995,464.14 and 214,373.44 is: 321,532.79
Step by Step Solution
- Step 1: Write the proportion equation
663,699.25 : 995,464.14 = 214,373.44 : x - Step 2: Convert to fraction form
663,699.25/995,464.14 = 214,373.44/x - Step 3: Cross multiply
663,699.25x = 995,464.14 × 214,373.44 - Step 4: Simplify right side
663,699.25x = 213,401,072,088.44 - Step 5: Solve for x
x = 213,401,072,088.44/663,699.25 - Step 6: Final answer
x = 321,532.79
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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.