Finding the Fourth Proportional to 424,947.09, 637,272.10 and 125,348.14
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Solution
The fourth proportional to 424,947.09, 637,272.10 and 125,348.14 is: 187,978.39
Step by Step Solution
- Step 1: Write the proportion equation
424,947.09 : 637,272.10 = 125,348.14 : x - Step 2: Convert to fraction form
424,947.09/637,272.10 = 125,348.14/x - Step 3: Cross multiply
424,947.09x = 637,272.10 × 125,348.14 - Step 4: Simplify right side
424,947.09x = 79,880,868,909.16 - Step 5: Solve for x
x = 79,880,868,909.16/424,947.09 - Step 6: Final answer
x = 187,978.39
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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.