Finding the Fourth Proportional to 163,480.29, 225,622.95 and 91,858.75
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Solution
The fourth proportional to 163,480.29, 225,622.95 and 91,858.75 is: 126,776.40
Step by Step Solution
- Step 1: Write the proportion equation
163,480.29 : 225,622.95 = 91,858.75 : x - Step 2: Convert to fraction form
163,480.29/225,622.95 = 91,858.75/x - Step 3: Cross multiply
163,480.29x = 225,622.95 × 91,858.75 - Step 4: Simplify right side
163,480.29x = 20,725,442,158.31 - Step 5: Solve for x
x = 20,725,442,158.31/163,480.29 - Step 6: Final answer
x = 126,776.40
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1.5x scale
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.