Finding the Fourth Proportional to 299,000.48, 412,720.62 and 178,179.68
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Solution
The fourth proportional to 299,000.48, 412,720.62 and 178,179.68 is: 245,947.52
Step by Step Solution
- Step 1: Write the proportion equation
299,000.48 : 412,720.62 = 178,179.68 : x - Step 2: Convert to fraction form
299,000.48/412,720.62 = 178,179.68/x - Step 3: Cross multiply
299,000.48x = 412,720.62 × 178,179.68 - Step 4: Simplify right side
299,000.48x = 73,538,428,001.00 - Step 5: Solve for x
x = 73,538,428,001.00/299,000.48 - Step 6: Final answer
x = 245,947.52
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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.