Finding the Fourth Proportional to 264,202.56, 396,316.40 and 84,307.05
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Solution
The fourth proportional to 264,202.56, 396,316.40 and 84,307.05 is: 126,464.58
Step by Step Solution
- Step 1: Write the proportion equation
264,202.56 : 396,316.40 = 84,307.05 : x - Step 2: Convert to fraction form
264,202.56/396,316.40 = 84,307.05/x - Step 3: Cross multiply
264,202.56x = 396,316.40 × 84,307.05 - Step 4: Simplify right side
264,202.56x = 33,412,266,129.08 - Step 5: Solve for x
x = 33,412,266,129.08/264,202.56 - Step 6: Final answer
x = 126,464.58
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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.