Finding the Fourth Proportional to 343,738.57, 474,352.09 and 190,767.88
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Solution
The fourth proportional to 343,738.57, 474,352.09 and 190,767.88 is: 263,255.71
Step by Step Solution
- Step 1: Write the proportion equation
343,738.57 : 474,352.09 = 190,767.88 : x - Step 2: Convert to fraction form
343,738.57/474,352.09 = 190,767.88/x - Step 3: Cross multiply
343,738.57x = 474,352.09 × 190,767.88 - Step 4: Simplify right side
343,738.57x = 90,491,140,567.19 - Step 5: Solve for x
x = 90,491,140,567.19/343,738.57 - Step 6: Final answer
x = 263,255.71
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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.