Finding the Fourth Proportional to 291,269.76, 436,204.80 and 166,231.68
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Solution
The fourth proportional to 291,269.76, 436,204.80 and 166,231.68 is: 248,948.11
Step by Step Solution
- Step 1: Write the proportion equation
291,269.76 : 436,204.80 = 166,231.68 : x - Step 2: Convert to fraction form
291,269.76/436,204.80 = 166,231.68/x - Step 3: Cross multiply
291,269.76x = 436,204.80 × 166,231.68 - Step 4: Simplify right side
291,269.76x = 72,511,056,728.06 - Step 5: Solve for x
x = 72,511,056,728.06/291,269.76 - Step 6: Final answer
x = 248,948.11
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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.