Finding the Fourth Proportional to 163,804.56, 225,993.72 and 99,294.48
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Solution
The fourth proportional to 163,804.56, 225,993.72 and 99,294.48 is: 136,992.09
Step by Step Solution
- Step 1: Write the proportion equation
163,804.56 : 225,993.72 = 99,294.48 : x - Step 2: Convert to fraction form
163,804.56/225,993.72 = 99,294.48/x - Step 3: Cross multiply
163,804.56x = 225,993.72 × 99,294.48 - Step 4: Simplify right side
163,804.56x = 22,439,928,910.67 - Step 5: Solve for x
x = 22,439,928,910.67/163,804.56 - Step 6: Final answer
x = 136,992.09
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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.