Finding the Fourth Proportional to 163,244.97, 225,362.60 and 126,865.14
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Solution
The fourth proportional to 163,244.97, 225,362.60 and 126,865.14 is: 175,139.59
Step by Step Solution
- Step 1: Write the proportion equation
163,244.97 : 225,362.60 = 126,865.14 : x - Step 2: Convert to fraction form
163,244.97/225,362.60 = 126,865.14/x - Step 3: Cross multiply
163,244.97x = 225,362.60 × 126,865.14 - Step 4: Simplify right side
163,244.97x = 28,590,657,509.69 - Step 5: Solve for x
x = 28,590,657,509.69/163,244.97 - Step 6: Final answer
x = 175,139.59
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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.