Finding the Fourth Proportional to 145,863.68, 218,832.46 and 40,682.68
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Solution
The fourth proportional to 145,863.68, 218,832.46 and 40,682.68 is: 61,034.32
Step by Step Solution
- Step 1: Write the proportion equation
145,863.68 : 218,832.46 = 40,682.68 : x - Step 2: Convert to fraction form
145,863.68/218,832.46 = 40,682.68/x - Step 3: Cross multiply
145,863.68x = 218,832.46 × 40,682.68 - Step 4: Simplify right side
145,863.68x = 8,902,690,943.79 - Step 5: Solve for x
x = 8,902,690,943.79/145,863.68 - Step 6: Final answer
x = 61,034.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.