Finding the Fourth Proportional to 203,867.80, 305,801.70 and 110,555.80
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Solution
The fourth proportional to 203,867.80, 305,801.70 and 110,555.80 is: 165,833.70
Step by Step Solution
- Step 1: Write the proportion equation
203,867.80 : 305,801.70 = 110,555.80 : x - Step 2: Convert to fraction form
203,867.80/305,801.70 = 110,555.80/x - Step 3: Cross multiply
203,867.80x = 305,801.70 × 110,555.80 - Step 4: Simplify right side
203,867.80x = 33,808,151,584.86 - Step 5: Solve for x
x = 33,808,151,584.86/203,867.80 - Step 6: Final answer
x = 165,833.70
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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.