Finding the Fourth Proportional to 230,181.12, 345,207.36 and 145,815.84
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Solution
The fourth proportional to 230,181.12, 345,207.36 and 145,815.84 is: 218,683.01
Step by Step Solution
- Step 1: Write the proportion equation
230,181.12 : 345,207.36 = 145,815.84 : x - Step 2: Convert to fraction form
230,181.12/345,207.36 = 145,815.84/x - Step 3: Cross multiply
230,181.12x = 345,207.36 × 145,815.84 - Step 4: Simplify right side
230,181.12x = 50,336,701,172.58 - Step 5: Solve for x
x = 50,336,701,172.58/230,181.12 - Step 6: Final answer
x = 218,683.01
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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.