Finding the Fourth Proportional to 207,273.40, 310,910.10 and 74,164.09
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Solution
The fourth proportional to 207,273.40, 310,910.10 and 74,164.09 is: 111,246.14
Step by Step Solution
- Step 1: Write the proportion equation
207,273.40 : 310,910.10 = 74,164.09 : x - Step 2: Convert to fraction form
207,273.40/310,910.10 = 74,164.09/x - Step 3: Cross multiply
207,273.40x = 310,910.10 × 74,164.09 - Step 4: Simplify right side
207,273.40x = 23,058,364,638.31 - Step 5: Solve for x
x = 23,058,364,638.31/207,273.40 - Step 6: Final answer
x = 111,246.14
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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.