Finding the Fourth Proportional to 297,471.36, 410,508.21 and 161,502.63
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Solution
The fourth proportional to 297,471.36, 410,508.21 and 161,502.63 is: 222,872.40
Step by Step Solution
- Step 1: Write the proportion equation
297,471.36 : 410,508.21 = 161,502.63 : x - Step 2: Convert to fraction form
297,471.36/410,508.21 = 161,502.63/x - Step 3: Cross multiply
297,471.36x = 410,508.21 × 161,502.63 - Step 4: Simplify right side
297,471.36x = 66,298,155,551.59 - Step 5: Solve for x
x = 66,298,155,551.59/297,471.36 - Step 6: Final answer
x = 222,872.40
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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.