Finding the Fourth Proportional to 230,998.07, 318,773.93 and 129,025.02
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Solution
The fourth proportional to 230,998.07, 318,773.93 and 129,025.02 is: 178,052.62
Step by Step Solution
- Step 1: Write the proportion equation
230,998.07 : 318,773.93 = 129,025.02 : x - Step 2: Convert to fraction form
230,998.07/318,773.93 = 129,025.02/x - Step 3: Cross multiply
230,998.07x = 318,773.93 × 129,025.02 - Step 4: Simplify right side
230,998.07x = 41,129,812,693.73 - Step 5: Solve for x
x = 41,129,812,693.73/230,998.07 - Step 6: Final answer
x = 178,052.62
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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.