Finding the Fourth Proportional to 163,739.48, 245,284.14 and 126,169.26
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Solution
The fourth proportional to 163,739.48, 245,284.14 and 126,169.26 is: 189,003.40
Step by Step Solution
- Step 1: Write the proportion equation
163,739.48 : 245,284.14 = 126,169.26 : x - Step 2: Convert to fraction form
163,739.48/245,284.14 = 126,169.26/x - Step 3: Cross multiply
163,739.48x = 245,284.14 × 126,169.26 - Step 4: Simplify right side
163,739.48x = 30,947,318,433.54 - Step 5: Solve for x
x = 30,947,318,433.54/163,739.48 - Step 6: Final answer
x = 189,003.40
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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.