Finding the Fourth Proportional to 163,237.63, 225,267.92 and 91,617.65
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Solution
The fourth proportional to 163,237.63, 225,267.92 and 91,617.65 is: 126,432.35
Step by Step Solution
- Step 1: Write the proportion equation
163,237.63 : 225,267.92 = 91,617.65 : x - Step 2: Convert to fraction form
163,237.63/225,267.92 = 91,617.65/x - Step 3: Cross multiply
163,237.63x = 225,267.92 × 91,617.65 - Step 4: Simplify right side
163,237.63x = 20,638,517,450.79 - Step 5: Solve for x
x = 20,638,517,450.79/163,237.63 - Step 6: Final answer
x = 126,432.35
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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.