Finding the Fourth Proportional to 424,814.49, 637,331.09 and 125,282.97
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Solution
The fourth proportional to 424,814.49, 637,331.09 and 125,282.97 is: 187,956.70
Step by Step Solution
- Step 1: Write the proportion equation
424,814.49 : 637,331.09 = 125,282.97 : x - Step 2: Convert to fraction form
424,814.49/637,331.09 = 125,282.97/x - Step 3: Cross multiply
424,814.49x = 637,331.09 × 125,282.97 - Step 4: Simplify right side
424,814.49x = 79,846,731,202.12 - Step 5: Solve for x
x = 79,846,731,202.12/424,814.49 - Step 6: Final answer
x = 187,956.70
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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.