Finding the Fourth Proportional to 199,405.48, 299,164.68 and 81,161.68
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Solution
The fourth proportional to 199,405.48, 299,164.68 and 81,161.68 is: 121,765.50
Step by Step Solution
- Step 1: Write the proportion equation
199,405.48 : 299,164.68 = 81,161.68 : x - Step 2: Convert to fraction form
199,405.48/299,164.68 = 81,161.68/x - Step 3: Cross multiply
199,405.48x = 299,164.68 × 81,161.68 - Step 4: Simplify right side
199,405.48x = 24,280,708,025.46 - Step 5: Solve for x
x = 24,280,708,025.46/199,405.48 - Step 6: Final answer
x = 121,765.50
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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.