Finding the Fourth Proportional to 297,989.13, 411,213.67 and 162,023.19
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Solution
The fourth proportional to 297,989.13, 411,213.67 and 162,023.19 is: 223,585.84
Step by Step Solution
- Step 1: Write the proportion equation
297,989.13 : 411,213.67 = 162,023.19 : x - Step 2: Convert to fraction form
297,989.13/411,213.67 = 162,023.19/x - Step 3: Cross multiply
297,989.13x = 411,213.67 × 162,023.19 - Step 4: Simplify right side
297,989.13x = 66,626,150,585.01 - Step 5: Solve for x
x = 66,626,150,585.01/297,989.13 - Step 6: Final answer
x = 223,585.84
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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.