Finding the Fourth Proportional to 725,479.26, 1,088,217.60 and 193,000.29
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Solution
The fourth proportional to 725,479.26, 1,088,217.60 and 193,000.29 is: 289,500.09
Step by Step Solution
- Step 1: Write the proportion equation
725,479.26 : 1,088,217.60 = 193,000.29 : x - Step 2: Convert to fraction form
725,479.26/1,088,217.60 = 193,000.29/x - Step 3: Cross multiply
725,479.26x = 1,088,217.60 × 193,000.29 - Step 4: Simplify right side
725,479.26x = 210,026,308,664.16 - Step 5: Solve for x
x = 210,026,308,664.16/725,479.26 - Step 6: Final answer
x = 289,500.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.