Finding the Fourth Proportional to 357,361.97, 493,156.08 and 196,215.62
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Solution
The fourth proportional to 357,361.97, 493,156.08 and 196,215.62 is: 270,775.67
Step by Step Solution
- Step 1: Write the proportion equation
357,361.97 : 493,156.08 = 196,215.62 : x - Step 2: Convert to fraction form
357,361.97/493,156.08 = 196,215.62/x - Step 3: Cross multiply
357,361.97x = 493,156.08 × 196,215.62 - Step 4: Simplify right side
357,361.97x = 96,764,925,993.97 - Step 5: Solve for x
x = 96,764,925,993.97/357,361.97 - Step 6: Final answer
x = 270,775.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.