Finding the Fourth Proportional to 225,959.26, 338,940.84 and 57,479.75
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Solution
The fourth proportional to 225,959.26, 338,940.84 and 57,479.75 is: 86,220.12
Step by Step Solution
- Step 1: Write the proportion equation
225,959.26 : 338,940.84 = 57,479.75 : x - Step 2: Convert to fraction form
225,959.26/338,940.84 = 57,479.75/x - Step 3: Cross multiply
225,959.26x = 338,940.84 × 57,479.75 - Step 4: Simplify right side
225,959.26x = 19,482,234,747.99 - Step 5: Solve for x
x = 19,482,234,747.99/225,959.26 - Step 6: Final answer
x = 86,220.12
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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.