Finding the Fourth Proportional to 297,399.63, 410,400.36 and 161,430.65
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Solution
The fourth proportional to 297,399.63, 410,400.36 and 161,430.65 is: 222,768.26
Step by Step Solution
- Step 1: Write the proportion equation
297,399.63 : 410,400.36 = 161,430.65 : x - Step 2: Convert to fraction form
297,399.63/410,400.36 = 161,430.65/x - Step 3: Cross multiply
297,399.63x = 410,400.36 × 161,430.65 - Step 4: Simplify right side
297,399.63x = 66,251,196,875.03 - Step 5: Solve for x
x = 66,251,196,875.03/297,399.63 - Step 6: Final answer
x = 222,768.26
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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.