Finding the Fourth Proportional to 225,990.27, 338,987.84 and 68,220.09
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Solution
The fourth proportional to 225,990.27, 338,987.84 and 68,220.09 is: 102,330.87
Step by Step Solution
- Step 1: Write the proportion equation
225,990.27 : 338,987.84 = 68,220.09 : x - Step 2: Convert to fraction form
225,990.27/338,987.84 = 68,220.09/x - Step 3: Cross multiply
225,990.27x = 338,987.84 × 68,220.09 - Step 4: Simplify right side
225,990.27x = 23,125,780,612.61 - Step 5: Solve for x
x = 23,125,780,612.61/225,990.27 - Step 6: Final answer
x = 102,330.87
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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.