Finding the Fourth Proportional to 190,007.81, 262,246.91 and 135,707.03
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Solution
The fourth proportional to 190,007.81, 262,246.91 and 135,707.03 is: 187,301.50
Step by Step Solution
- Step 1: Write the proportion equation
190,007.81 : 262,246.91 = 135,707.03 : x - Step 2: Convert to fraction form
190,007.81/262,246.91 = 135,707.03/x - Step 3: Cross multiply
190,007.81x = 262,246.91 × 135,707.03 - Step 4: Simplify right side
190,007.81x = 35,588,747,293.01 - Step 5: Solve for x
x = 35,588,747,293.01/190,007.81 - Step 6: Final answer
x = 187,301.50
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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.