Finding the Fourth Proportional to 587,816.21, 882,116.76 and 213,839.21
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Solution
The fourth proportional to 587,816.21, 882,116.76 and 213,839.21 is: 320,901.58
Step by Step Solution
- Step 1: Write the proportion equation
587,816.21 : 882,116.76 = 213,839.21 : x - Step 2: Convert to fraction form
587,816.21/882,116.76 = 213,839.21/x - Step 3: Cross multiply
587,816.21x = 882,116.76 × 213,839.21 - Step 4: Simplify right side
587,816.21x = 188,631,151,086.16 - Step 5: Solve for x
x = 188,631,151,086.16/587,816.21 - Step 6: Final answer
x = 320,901.58
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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.