Finding the Fourth Proportional to 338,757.91, 507,975.91 and 196,646.75
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Solution
The fourth proportional to 338,757.91, 507,975.91 and 196,646.75 is: 294,876.69
Step by Step Solution
- Step 1: Write the proportion equation
338,757.91 : 507,975.91 = 196,646.75 : x - Step 2: Convert to fraction form
338,757.91/507,975.91 = 196,646.75/x - Step 3: Cross multiply
338,757.91x = 507,975.91 × 196,646.75 - Step 4: Simplify right side
338,757.91x = 99,891,813,510.57 - Step 5: Solve for x
x = 99,891,813,510.57/338,757.91 - Step 6: Final answer
x = 294,876.69
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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.