Finding the Fourth Proportional to 246,308.31, 339,905.70 and 133,131.06
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Solution
The fourth proportional to 246,308.31, 339,905.70 and 133,131.06 is: 183,720.99
Step by Step Solution
- Step 1: Write the proportion equation
246,308.31 : 339,905.70 = 133,131.06 : x - Step 2: Convert to fraction form
246,308.31/339,905.70 = 133,131.06/x - Step 3: Cross multiply
246,308.31x = 339,905.70 × 133,131.06 - Step 4: Simplify right side
246,308.31x = 45,252,006,141.04 - Step 5: Solve for x
x = 45,252,006,141.04/246,308.31 - Step 6: Final answer
x = 183,720.99
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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.