Finding the Fourth Proportional to 225,568.36, 338,328.68 and 118,909.58
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Solution
The fourth proportional to 225,568.36, 338,328.68 and 118,909.58 is: 178,351.79
Step by Step Solution
- Step 1: Write the proportion equation
225,568.36 : 338,328.68 = 118,909.58 : x - Step 2: Convert to fraction form
225,568.36/338,328.68 = 118,909.58/x - Step 3: Cross multiply
225,568.36x = 338,328.68 × 118,909.58 - Step 4: Simplify right side
225,568.36x = 40,230,521,240.75 - Step 5: Solve for x
x = 40,230,521,240.75/225,568.36 - Step 6: Final answer
x = 178,351.79
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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.