Finding the Fourth Proportional to 738,602.22, 1,107,902.97 and 177,636.54
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Solution
The fourth proportional to 738,602.22, 1,107,902.97 and 177,636.54 is: 266,454.72
Step by Step Solution
- Step 1: Write the proportion equation
738,602.22 : 1,107,902.97 = 177,636.54 : x - Step 2: Convert to fraction form
738,602.22/1,107,902.97 = 177,636.54/x - Step 3: Cross multiply
738,602.22x = 1,107,902.97 × 177,636.54 - Step 4: Simplify right side
738,602.22x = 196,804,050,246.52 - Step 5: Solve for x
x = 196,804,050,246.52/738,602.22 - Step 6: Final answer
x = 266,454.72
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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.