Finding the Fourth Proportional to 225,206.11, 310,896.95 and 129,694.35
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Solution
The fourth proportional to 225,206.11, 310,896.95 and 129,694.35 is: 179,043.00
Step by Step Solution
- Step 1: Write the proportion equation
225,206.11 : 310,896.95 = 129,694.35 : x - Step 2: Convert to fraction form
225,206.11/310,896.95 = 129,694.35/x - Step 3: Cross multiply
225,206.11x = 310,896.95 × 129,694.35 - Step 4: Simplify right side
225,206.11x = 40,321,577,847.23 - Step 5: Solve for x
x = 40,321,577,847.23/225,206.11 - Step 6: Final answer
x = 179,043.00
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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.