Finding the Fourth Proportional to 193,229.75, 266,671.24 and 107,202.29
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Solution
The fourth proportional to 193,229.75, 266,671.24 and 107,202.29 is: 147,947.02
Step by Step Solution
- Step 1: Write the proportion equation
193,229.75 : 266,671.24 = 107,202.29 : x - Step 2: Convert to fraction form
193,229.75/266,671.24 = 107,202.29/x - Step 3: Cross multiply
193,229.75x = 266,671.24 × 107,202.29 - Step 4: Simplify right side
193,229.75x = 28,587,766,003.78 - Step 5: Solve for x
x = 28,587,766,003.78/193,229.75 - Step 6: Final answer
x = 147,947.02
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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.