Finding the Fourth Proportional to 313,797.60, 433,041.24 and 170,557.26
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Solution
The fourth proportional to 313,797.60, 433,041.24 and 170,557.26 is: 235,369.32
Step by Step Solution
- Step 1: Write the proportion equation
313,797.60 : 433,041.24 = 170,557.26 : x - Step 2: Convert to fraction form
313,797.60/433,041.24 = 170,557.26/x - Step 3: Cross multiply
313,797.60x = 433,041.24 × 170,557.26 - Step 4: Simplify right side
313,797.60x = 73,858,327,361.40 - Step 5: Solve for x
x = 73,858,327,361.40/313,797.60 - Step 6: Final answer
x = 235,369.32
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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.