Finding the Fourth Proportional to 292,482.28, 403,420.26 and 201,874.60
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Solution
The fourth proportional to 292,482.28, 403,420.26 and 201,874.60 is: 278,445.26
Step by Step Solution
- Step 1: Write the proportion equation
292,482.28 : 403,420.26 = 201,874.60 : x - Step 2: Convert to fraction form
292,482.28/403,420.26 = 201,874.60/x - Step 3: Cross multiply
292,482.28x = 403,420.26 × 201,874.60 - Step 4: Simplify right side
292,482.28x = 81,440,303,619.40 - Step 5: Solve for x
x = 81,440,303,619.40/292,482.28 - Step 6: Final answer
x = 278,445.26
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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.