Finding the Fourth Proportional to 230,998.28, 318,774.24 and 129,025.19
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Solution
The fourth proportional to 230,998.28, 318,774.24 and 129,025.19 is: 178,052.87
Step by Step Solution
- Step 1: Write the proportion equation
230,998.28 : 318,774.24 = 129,025.19 : x - Step 2: Convert to fraction form
230,998.28/318,774.24 = 129,025.19/x - Step 3: Cross multiply
230,998.28x = 318,774.24 × 129,025.19 - Step 4: Simplify right side
230,998.28x = 41,129,905,289.23 - Step 5: Solve for x
x = 41,129,905,289.23/230,998.28 - Step 6: Final answer
x = 178,052.87
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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.