Finding the Fourth Proportional to 311,586.75, 467,332.74 and 86,923.53
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Solution
The fourth proportional to 311,586.75, 467,332.74 and 86,923.53 is: 130,372.08
Step by Step Solution
- Step 1: Write the proportion equation
311,586.75 : 467,332.74 = 86,923.53 : x - Step 2: Convert to fraction form
311,586.75/467,332.74 = 86,923.53/x - Step 3: Cross multiply
311,586.75x = 467,332.74 × 86,923.53 - Step 4: Simplify right side
311,586.75x = 40,622,211,445.37 - Step 5: Solve for x
x = 40,622,211,445.37/311,586.75 - Step 6: Final answer
x = 130,372.08
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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.