Finding the Fourth Proportional to 137,233.80, 205,850.70 and 113,905.80
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Solution
The fourth proportional to 137,233.80, 205,850.70 and 113,905.80 is: 170,858.70
Step by Step Solution
- Step 1: Write the proportion equation
137,233.80 : 205,850.70 = 113,905.80 : x - Step 2: Convert to fraction form
137,233.80/205,850.70 = 113,905.80/x - Step 3: Cross multiply
137,233.80x = 205,850.70 × 113,905.80 - Step 4: Simplify right side
137,233.80x = 23,447,588,664.06 - Step 5: Solve for x
x = 23,447,588,664.06/137,233.80 - Step 6: Final answer
x = 170,858.70
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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.