Finding the Fourth Proportional to 207,588.96, 311,272.08 and 65,407.68
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Solution
The fourth proportional to 207,588.96, 311,272.08 and 65,407.68 is: 98,076.43
Step by Step Solution
- Step 1: Write the proportion equation
207,588.96 : 311,272.08 = 65,407.68 : x - Step 2: Convert to fraction form
207,588.96/311,272.08 = 65,407.68/x - Step 3: Cross multiply
207,588.96x = 311,272.08 × 65,407.68 - Step 4: Simplify right side
207,588.96x = 20,359,584,601.57 - Step 5: Solve for x
x = 20,359,584,601.57/207,588.96 - Step 6: Final answer
x = 98,076.43
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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.