Finding the Fourth Proportional to 202,325.20, 303,487.80 and 69,209.80
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Solution
The fourth proportional to 202,325.20, 303,487.80 and 69,209.80 is: 103,814.70
Step by Step Solution
- Step 1: Write the proportion equation
202,325.20 : 303,487.80 = 69,209.80 : x - Step 2: Convert to fraction form
202,325.20/303,487.80 = 69,209.80/x - Step 3: Cross multiply
202,325.20x = 303,487.80 × 69,209.80 - Step 4: Simplify right side
202,325.20x = 21,004,329,940.44 - Step 5: Solve for x
x = 21,004,329,940.44/202,325.20 - Step 6: Final answer
x = 103,814.70
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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.