Finding the Fourth Proportional to 731,242.50, 1,096,867.26 and 191,497.74
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Solution
The fourth proportional to 731,242.50, 1,096,867.26 and 191,497.74 is: 287,247.53
Step by Step Solution
- Step 1: Write the proportion equation
731,242.50 : 1,096,867.26 = 191,497.74 : x - Step 2: Convert to fraction form
731,242.50/1,096,867.26 = 191,497.74/x - Step 3: Cross multiply
731,242.50x = 1,096,867.26 × 191,497.74 - Step 4: Simplify right side
731,242.50x = 210,047,601,369.99 - Step 5: Solve for x
x = 210,047,601,369.99/731,242.50 - Step 6: Final answer
x = 287,247.53
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1.5x scale
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.