Finding the Fourth Proportional to 163,740.48, 245,285.64 and 126,170.26
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Solution
The fourth proportional to 163,740.48, 245,285.64 and 126,170.26 is: 189,004.90
Step by Step Solution
- Step 1: Write the proportion equation
163,740.48 : 245,285.64 = 126,170.26 : x - Step 2: Convert to fraction form
163,740.48/245,285.64 = 126,170.26/x - Step 3: Cross multiply
163,740.48x = 245,285.64 × 126,170.26 - Step 4: Simplify right side
163,740.48x = 30,947,752,973.07 - Step 5: Solve for x
x = 30,947,752,973.07/163,740.48 - Step 6: Final answer
x = 189,004.90
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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.