Finding the Fourth Proportional to 297,491.21, 409,969.11 and 292,025.09
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Solution
The fourth proportional to 297,491.21, 409,969.11 and 292,025.09 is: 402,436.31
Step by Step Solution
- Step 1: Write the proportion equation
297,491.21 : 409,969.11 = 292,025.09 : x - Step 2: Convert to fraction form
297,491.21/409,969.11 = 292,025.09/x - Step 3: Cross multiply
297,491.21x = 409,969.11 × 292,025.09 - Step 4: Simplify right side
297,491.21x = 119,721,265,290.22 - Step 5: Solve for x
x = 119,721,265,290.22/297,491.21 - Step 6: Final answer
x = 402,436.31
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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.