Finding the Fourth Proportional to 341,777.20, 512,665.80 and 201,809.20
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Solution
The fourth proportional to 341,777.20, 512,665.80 and 201,809.20 is: 302,713.80
Step by Step Solution
- Step 1: Write the proportion equation
341,777.20 : 512,665.80 = 201,809.20 : x - Step 2: Convert to fraction form
341,777.20/512,665.80 = 201,809.20/x - Step 3: Cross multiply
341,777.20x = 512,665.80 × 201,809.20 - Step 4: Simplify right side
341,777.20x = 103,460,674,965.36 - Step 5: Solve for x
x = 103,460,674,965.36/341,777.20 - Step 6: Final answer
x = 302,713.80
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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.