Finding the Fourth Proportional to 371,910.44, 513,237.12 and 202,144.16
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Solution
The fourth proportional to 371,910.44, 513,237.12 and 202,144.16 is: 278,959.33
Step by Step Solution
- Step 1: Write the proportion equation
371,910.44 : 513,237.12 = 202,144.16 : x - Step 2: Convert to fraction form
371,910.44/513,237.12 = 202,144.16/x - Step 3: Cross multiply
371,910.44x = 513,237.12 × 202,144.16 - Step 4: Simplify right side
371,910.44x = 103,747,886,503.22 - Step 5: Solve for x
x = 103,747,886,503.22/371,910.44 - Step 6: Final answer
x = 278,959.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.