Finding the Fourth Proportional to 424,948.09, 637,273.60 and 125,349.14
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Solution
The fourth proportional to 424,948.09, 637,273.60 and 125,349.14 is: 187,979.90
Step by Step Solution
- Step 1: Write the proportion equation
424,948.09 : 637,273.60 = 125,349.14 : x - Step 2: Convert to fraction form
424,948.09/637,273.60 = 125,349.14/x - Step 3: Cross multiply
424,948.09x = 637,273.60 × 125,349.14 - Step 4: Simplify right side
424,948.09x = 79,881,697,704.70 - Step 5: Solve for x
x = 79,881,697,704.70/424,948.09 - Step 6: Final answer
x = 187,979.90
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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.