Finding the Fourth Proportional to 340,882.91, 511,324.36 and 130,520.84
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Solution
The fourth proportional to 340,882.91, 511,324.36 and 130,520.84 is: 195,781.26
Step by Step Solution
- Step 1: Write the proportion equation
340,882.91 : 511,324.36 = 130,520.84 : x - Step 2: Convert to fraction form
340,882.91/511,324.36 = 130,520.84/x - Step 3: Cross multiply
340,882.91x = 511,324.36 × 130,520.84 - Step 4: Simplify right side
340,882.91x = 66,738,484,979.66 - Step 5: Solve for x
x = 66,738,484,979.66/340,882.91 - Step 6: Final answer
x = 195,781.26
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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.