Finding the Fourth Proportional to 207,767.76, 311,681.60 and 65,564.70
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Solution
The fourth proportional to 207,767.76, 311,681.60 and 65,564.70 is: 98,356.50
Step by Step Solution
- Step 1: Write the proportion equation
207,767.76 : 311,681.60 = 65,564.70 : x - Step 2: Convert to fraction form
207,767.76/311,681.60 = 65,564.70/x - Step 3: Cross multiply
207,767.76x = 311,681.60 × 65,564.70 - Step 4: Simplify right side
207,767.76x = 20,435,310,599.52 - Step 5: Solve for x
x = 20,435,310,599.52/207,767.76 - Step 6: Final answer
x = 98,356.50
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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.