Finding the Fourth Proportional to 408,990.26, 613,463.90 and 124,673.99
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Solution
The fourth proportional to 408,990.26, 613,463.90 and 124,673.99 is: 187,004.42
Step by Step Solution
- Step 1: Write the proportion equation
408,990.26 : 613,463.90 = 124,673.99 : x - Step 2: Convert to fraction form
408,990.26/613,463.90 = 124,673.99/x - Step 3: Cross multiply
408,990.26x = 613,463.90 × 124,673.99 - Step 4: Simplify right side
408,990.26x = 76,482,988,443.27 - Step 5: Solve for x
x = 76,482,988,443.27/408,990.26 - Step 6: Final answer
x = 187,004.42
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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.