Finding the Fourth Proportional to 424,951.09, 637,278.10 and 125,352.14
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Solution
The fourth proportional to 424,951.09, 637,278.10 and 125,352.14 is: 187,984.40
Step by Step Solution
- Step 1: Write the proportion equation
424,951.09 : 637,278.10 = 125,352.14 : x - Step 2: Convert to fraction form
424,951.09/637,278.10 = 125,352.14/x - Step 3: Cross multiply
424,951.09x = 637,278.10 × 125,352.14 - Step 4: Simplify right side
424,951.09x = 79,884,173,610.13 - Step 5: Solve for x
x = 79,884,173,610.13/424,951.09 - Step 6: Final answer
x = 187,984.40
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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.