Finding the Fourth Proportional to 424,814.31, 637,220.68 and 125,505.14
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Solution
The fourth proportional to 424,814.31, 637,220.68 and 125,505.14 is: 188,257.47
Step by Step Solution
- Step 1: Write the proportion equation
424,814.31 : 637,220.68 = 125,505.14 : x - Step 2: Convert to fraction form
424,814.31/637,220.68 = 125,505.14/x - Step 3: Cross multiply
424,814.31x = 637,220.68 × 125,505.14 - Step 4: Simplify right side
424,814.31x = 79,974,467,154.43 - Step 5: Solve for x
x = 79,974,467,154.43/424,814.31 - Step 6: Final answer
x = 188,257.47
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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.