Finding the Fourth Proportional to 299,416.65, 449,124.99 and 239,163.02
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Solution
The fourth proportional to 299,416.65, 449,124.99 and 239,163.02 is: 358,744.53
Step by Step Solution
- Step 1: Write the proportion equation
299,416.65 : 449,124.99 = 239,163.02 : x - Step 2: Convert to fraction form
299,416.65/449,124.99 = 239,163.02/x - Step 3: Cross multiply
299,416.65x = 449,124.99 × 239,163.02 - Step 4: Simplify right side
299,416.65x = 107,414,086,720.25 - Step 5: Solve for x
x = 107,414,086,720.25/299,416.65 - Step 6: Final answer
x = 358,744.53
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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.