Finding the Fourth Proportional to 214,937.20, 322,405.80 and 214,937.20
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Solution
The fourth proportional to 214,937.20, 322,405.80 and 214,937.20 is: 322,405.80
Step by Step Solution
- Step 1: Write the proportion equation
214,937.20 : 322,405.80 = 214,937.20 : x - Step 2: Convert to fraction form
214,937.20/322,405.80 = 214,937.20/x - Step 3: Cross multiply
214,937.20x = 322,405.80 × 214,937.20 - Step 4: Simplify right side
214,937.20x = 69,296,999,915.76 - Step 5: Solve for x
x = 69,296,999,915.76/214,937.20 - Step 6: Final answer
x = 322,405.80
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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.