Finding the Fourth Proportional to 203,958.30, 305,937.45 and 173,777.70
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Solution
The fourth proportional to 203,958.30, 305,937.45 and 173,777.70 is: 260,666.55
Step by Step Solution
- Step 1: Write the proportion equation
203,958.30 : 305,937.45 = 173,777.70 : x - Step 2: Convert to fraction form
203,958.30/305,937.45 = 173,777.70/x - Step 3: Cross multiply
203,958.30x = 305,937.45 × 173,777.70 - Step 4: Simplify right side
203,958.30x = 53,165,106,404.87 - Step 5: Solve for x
x = 53,165,106,404.87/203,958.30 - Step 6: Final answer
x = 260,666.55
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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.