Finding the Fourth Proportional to 121,227.21, 167,278.84 and 69,541.63
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Solution
The fourth proportional to 121,227.21, 167,278.84 and 69,541.63 is: 95,959.01
Step by Step Solution
- Step 1: Write the proportion equation
121,227.21 : 167,278.84 = 69,541.63 : x - Step 2: Convert to fraction form
121,227.21/167,278.84 = 69,541.63/x - Step 3: Cross multiply
121,227.21x = 167,278.84 × 69,541.63 - Step 4: Simplify right side
121,227.21x = 11,632,842,606.06 - Step 5: Solve for x
x = 11,632,842,606.06/121,227.21 - Step 6: Final answer
x = 95,959.01
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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.