Finding the Fourth Proportional to 309,260.24, 426,806.30 and 180,192.01
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Solution
The fourth proportional to 309,260.24, 426,806.30 and 180,192.01 is: 248,680.80
Step by Step Solution
- Step 1: Write the proportion equation
309,260.24 : 426,806.30 = 180,192.01 : x - Step 2: Convert to fraction form
309,260.24/426,806.30 = 180,192.01/x - Step 3: Cross multiply
309,260.24x = 426,806.30 × 180,192.01 - Step 4: Simplify right side
309,260.24x = 76,907,084,461.13 - Step 5: Solve for x
x = 76,907,084,461.13/309,260.24 - Step 6: Final answer
x = 248,680.80
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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.