Finding the Fourth Proportional to 260,414.97, 390,622.12 and 171,022.03
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Solution
The fourth proportional to 260,414.97, 390,622.12 and 171,022.03 is: 256,532.83
Step by Step Solution
- Step 1: Write the proportion equation
260,414.97 : 390,622.12 = 171,022.03 : x - Step 2: Convert to fraction form
260,414.97/390,622.12 = 171,022.03/x - Step 3: Cross multiply
260,414.97x = 390,622.12 × 171,022.03 - Step 4: Simplify right side
260,414.97x = 66,804,989,199.44 - Step 5: Solve for x
x = 66,804,989,199.44/260,414.97 - Step 6: Final answer
x = 256,532.83
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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.