Finding the Fourth Proportional to 431,318.42, 595,219.44 and 250,135.44
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Solution
The fourth proportional to 431,318.42, 595,219.44 and 250,135.44 is: 345,186.92
Step by Step Solution
- Step 1: Write the proportion equation
431,318.42 : 595,219.44 = 250,135.44 : x - Step 2: Convert to fraction form
431,318.42/595,219.44 = 250,135.44/x - Step 3: Cross multiply
431,318.42x = 595,219.44 × 250,135.44 - Step 4: Simplify right side
431,318.42x = 148,885,477,167.99 - Step 5: Solve for x
x = 148,885,477,167.99/431,318.42 - Step 6: Final answer
x = 345,186.92
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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.