Finding the Fourth Proportional to 192,642.81, 265,867.08 and 110,973.90
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Solution
The fourth proportional to 192,642.81, 265,867.08 and 110,973.90 is: 153,155.50
Step by Step Solution
- Step 1: Write the proportion equation
192,642.81 : 265,867.08 = 110,973.90 : x - Step 2: Convert to fraction form
192,642.81/265,867.08 = 110,973.90/x - Step 3: Cross multiply
192,642.81x = 265,867.08 × 110,973.90 - Step 4: Simplify right side
192,642.81x = 29,504,306,749.21 - Step 5: Solve for x
x = 29,504,306,749.21/192,642.81 - Step 6: Final answer
x = 153,155.50
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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.