Finding the Fourth Proportional to 756,387.87, 1,134,803.99 and 223,922.73
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Solution
The fourth proportional to 756,387.87, 1,134,803.99 and 223,922.73 is: 335,949.88
Step by Step Solution
- Step 1: Write the proportion equation
756,387.87 : 1,134,803.99 = 223,922.73 : x - Step 2: Convert to fraction form
756,387.87/1,134,803.99 = 223,922.73/x - Step 3: Cross multiply
756,387.87x = 1,134,803.99 × 223,922.73 - Step 4: Simplify right side
756,387.87x = 254,108,412,271.02 - Step 5: Solve for x
x = 254,108,412,271.02/756,387.87 - Step 6: Final answer
x = 335,949.88
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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.