Finding the Fourth Proportional to 193,645.77, 267,199.74 and 121,040.07
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Solution
The fourth proportional to 193,645.77, 267,199.74 and 121,040.07 is: 167,015.66
Step by Step Solution
- Step 1: Write the proportion equation
193,645.77 : 267,199.74 = 121,040.07 : x - Step 2: Convert to fraction form
193,645.77/267,199.74 = 121,040.07/x - Step 3: Cross multiply
193,645.77x = 267,199.74 × 121,040.07 - Step 4: Simplify right side
193,645.77x = 32,341,875,233.58 - Step 5: Solve for x
x = 32,341,875,233.58/193,645.77 - Step 6: Final answer
x = 167,015.66
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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.