Finding the Fourth Proportional to 283,905.36, 426,153.42 and 209,109.96
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Solution
The fourth proportional to 283,905.36, 426,153.42 and 209,109.96 is: 313,882.50
Step by Step Solution
- Step 1: Write the proportion equation
283,905.36 : 426,153.42 = 209,109.96 : x - Step 2: Convert to fraction form
283,905.36/426,153.42 = 209,109.96/x - Step 3: Cross multiply
283,905.36x = 426,153.42 × 209,109.96 - Step 4: Simplify right side
283,905.36x = 89,112,924,610.06 - Step 5: Solve for x
x = 89,112,924,610.06/283,905.36 - Step 6: Final answer
x = 313,882.50
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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.