Finding the Fourth Proportional to 137,883.70, 206,825.55 and 110,235.70
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Solution
The fourth proportional to 137,883.70, 206,825.55 and 110,235.70 is: 165,353.55
Step by Step Solution
- Step 1: Write the proportion equation
137,883.70 : 206,825.55 = 110,235.70 : x - Step 2: Convert to fraction form
137,883.70/206,825.55 = 110,235.70/x - Step 3: Cross multiply
137,883.70x = 206,825.55 × 110,235.70 - Step 4: Simplify right side
137,883.70x = 22,799,559,282.14 - Step 5: Solve for x
x = 22,799,559,282.14/137,883.70 - Step 6: Final answer
x = 165,353.55
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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.