Finding the Fourth Proportional to 264,201.84, 396,281.40 and 74,654.56
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Solution
The fourth proportional to 264,201.84, 396,281.40 and 74,654.56 is: 111,975.80
Step by Step Solution
- Step 1: Write the proportion equation
264,201.84 : 396,281.40 = 74,654.56 : x - Step 2: Convert to fraction form
264,201.84/396,281.40 = 74,654.56/x - Step 3: Cross multiply
264,201.84x = 396,281.40 × 74,654.56 - Step 4: Simplify right side
264,201.84x = 29,584,213,553.18 - Step 5: Solve for x
x = 29,584,213,553.18/264,201.84 - Step 6: Final answer
x = 111,975.80
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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.