Finding the Fourth Proportional to 289,109.59, 398,588.97 and 237,236.68
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Solution
The fourth proportional to 289,109.59, 398,588.97 and 237,236.68 is: 327,072.94
Step by Step Solution
- Step 1: Write the proportion equation
289,109.59 : 398,588.97 = 237,236.68 : x - Step 2: Convert to fraction form
289,109.59/398,588.97 = 237,236.68/x - Step 3: Cross multiply
289,109.59x = 398,588.97 × 237,236.68 - Step 4: Simplify right side
289,109.59x = 94,559,923,927.42 - Step 5: Solve for x
x = 94,559,923,927.42/289,109.59 - Step 6: Final answer
x = 327,072.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.