Finding the Fourth Proportional to 190,632.92, 263,073.51 and 105,749.96
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Solution
The fourth proportional to 190,632.92, 263,073.51 and 105,749.96 is: 145,934.99
Step by Step Solution
- Step 1: Write the proportion equation
190,632.92 : 263,073.51 = 105,749.96 : x - Step 2: Convert to fraction form
190,632.92/263,073.51 = 105,749.96/x - Step 3: Cross multiply
190,632.92x = 263,073.51 × 105,749.96 - Step 4: Simplify right side
190,632.92x = 27,820,011,844.19 - Step 5: Solve for x
x = 27,820,011,844.19/190,632.92 - Step 6: Final answer
x = 145,934.99
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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.