Finding the Fourth Proportional to 163,441.08, 225,552.06 and 91,828.98
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Solution
The fourth proportional to 163,441.08, 225,552.06 and 91,828.98 is: 126,725.89
Step by Step Solution
- Step 1: Write the proportion equation
163,441.08 : 225,552.06 = 91,828.98 : x - Step 2: Convert to fraction form
163,441.08/225,552.06 = 91,828.98/x - Step 3: Cross multiply
163,441.08x = 225,552.06 × 91,828.98 - Step 4: Simplify right side
163,441.08x = 20,712,215,606.70 - Step 5: Solve for x
x = 20,712,215,606.70/163,441.08 - Step 6: Final answer
x = 126,725.89
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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.