Finding the Fourth Proportional to 385,204.08, 531,751.89 and 230,210.08
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Solution
The fourth proportional to 385,204.08, 531,751.89 and 230,210.08 is: 317,791.66
Step by Step Solution
- Step 1: Write the proportion equation
385,204.08 : 531,751.89 = 230,210.08 : x - Step 2: Convert to fraction form
385,204.08/531,751.89 = 230,210.08/x - Step 3: Cross multiply
385,204.08x = 531,751.89 × 230,210.08 - Step 4: Simplify right side
385,204.08x = 122,414,645,137.05 - Step 5: Solve for x
x = 122,414,645,137.05/385,204.08 - Step 6: Final answer
x = 317,791.66
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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.