Finding the Fourth Proportional to 311,119.98, 466,657.41 and 121,544.76
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Solution
The fourth proportional to 311,119.98, 466,657.41 and 121,544.76 is: 182,308.33
Step by Step Solution
- Step 1: Write the proportion equation
311,119.98 : 466,657.41 = 121,544.76 : x - Step 2: Convert to fraction form
311,119.98/466,657.41 = 121,544.76/x - Step 3: Cross multiply
311,119.98x = 466,657.41 × 121,544.76 - Step 4: Simplify right side
311,119.98x = 56,719,762,900.67 - Step 5: Solve for x
x = 56,719,762,900.67/311,119.98 - Step 6: Final answer
x = 182,308.33
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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.