Finding the Fourth Proportional to 261,487.58, 392,101.70 and 92,982.53
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Solution
The fourth proportional to 261,487.58, 392,101.70 and 92,982.53 is: 139,427.69
Step by Step Solution
- Step 1: Write the proportion equation
261,487.58 : 392,101.70 = 92,982.53 : x - Step 2: Convert to fraction form
261,487.58/392,101.70 = 92,982.53/x - Step 3: Cross multiply
261,487.58x = 392,101.70 × 92,982.53 - Step 4: Simplify right side
261,487.58x = 36,458,608,598.64 - Step 5: Solve for x
x = 36,458,608,598.64/261,487.58 - Step 6: Final answer
x = 139,427.69
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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.