Finding the Fourth Proportional to 202,352.26, 279,246.53 and 111,708.35
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Solution
The fourth proportional to 202,352.26, 279,246.53 and 111,708.35 is: 154,157.75
Step by Step Solution
- Step 1: Write the proportion equation
202,352.26 : 279,246.53 = 111,708.35 : x - Step 2: Convert to fraction form
202,352.26/279,246.53 = 111,708.35/x - Step 3: Cross multiply
202,352.26x = 279,246.53 × 111,708.35 - Step 4: Simplify right side
202,352.26x = 31,194,169,109.53 - Step 5: Solve for x
x = 31,194,169,109.53/202,352.26 - Step 6: Final answer
x = 154,157.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.