Finding the Fourth Proportional to 351,512.49, 485,084.67 and 190,363.80
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Solution
The fourth proportional to 351,512.49, 485,084.67 and 190,363.80 is: 262,700.65
Step by Step Solution
- Step 1: Write the proportion equation
351,512.49 : 485,084.67 = 190,363.80 : x - Step 2: Convert to fraction form
351,512.49/485,084.67 = 190,363.80/x - Step 3: Cross multiply
351,512.49x = 485,084.67 × 190,363.80 - Step 4: Simplify right side
351,512.49x = 92,342,561,102.95 - Step 5: Solve for x
x = 92,342,561,102.95/351,512.49 - Step 6: Final answer
x = 262,700.65
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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.