Finding the Fourth Proportional to 220,425.13, 304,192.97 and 134,389.09
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Solution
The fourth proportional to 220,425.13, 304,192.97 and 134,389.09 is: 185,460.78
Step by Step Solution
- Step 1: Write the proportion equation
220,425.13 : 304,192.97 = 134,389.09 : x - Step 2: Convert to fraction form
220,425.13/304,192.97 = 134,389.09/x - Step 3: Cross multiply
220,425.13x = 304,192.97 × 134,389.09 - Step 4: Simplify right side
220,425.13x = 40,880,216,422.70 - Step 5: Solve for x
x = 40,880,216,422.70/220,425.13 - Step 6: Final answer
x = 185,460.78
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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.