Finding the Fourth Proportional to 190,918.76, 263,463.30 and 106,035.08
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Solution
The fourth proportional to 190,918.76, 263,463.30 and 106,035.08 is: 146,325.86
Step by Step Solution
- Step 1: Write the proportion equation
190,918.76 : 263,463.30 = 106,035.08 : x - Step 2: Convert to fraction form
190,918.76/263,463.30 = 106,035.08/x - Step 3: Cross multiply
190,918.76x = 263,463.30 × 106,035.08 - Step 4: Simplify right side
190,918.76x = 27,936,352,092.56 - Step 5: Solve for x
x = 27,936,352,092.56/190,918.76 - Step 6: Final answer
x = 146,325.86
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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.