Finding the Fourth Proportional to 193,971.06, 267,716.82 and 121,407.62
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Solution
The fourth proportional to 193,971.06, 267,716.82 and 121,407.62 is: 167,565.52
Step by Step Solution
- Step 1: Write the proportion equation
193,971.06 : 267,716.82 = 121,407.62 : x - Step 2: Convert to fraction form
193,971.06/267,716.82 = 121,407.62/x - Step 3: Cross multiply
193,971.06x = 267,716.82 × 121,407.62 - Step 4: Simplify right side
193,971.06x = 32,502,861,950.17 - Step 5: Solve for x
x = 32,502,861,950.17/193,971.06 - Step 6: Final answer
x = 167,565.52
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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.