Finding the Fourth Proportional to 207,077.20, 310,615.80 and 207,077.20
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Solution
The fourth proportional to 207,077.20, 310,615.80 and 207,077.20 is: 310,615.80
Step by Step Solution
- Step 1: Write the proportion equation
207,077.20 : 310,615.80 = 207,077.20 : x - Step 2: Convert to fraction form
207,077.20/310,615.80 = 207,077.20/x - Step 3: Cross multiply
207,077.20x = 310,615.80 × 207,077.20 - Step 4: Simplify right side
207,077.20x = 64,321,450,139.76 - Step 5: Solve for x
x = 64,321,450,139.76/207,077.20 - Step 6: Final answer
x = 310,615.80
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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.