Finding the Fourth Proportional to 193,945.35, 267,681.44 and 121,381.99
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Solution
The fourth proportional to 193,945.35, 267,681.44 and 121,381.99 is: 167,530.21
Step by Step Solution
- Step 1: Write the proportion equation
193,945.35 : 267,681.44 = 121,381.99 : x - Step 2: Convert to fraction form
193,945.35/267,681.44 = 121,381.99/x - Step 3: Cross multiply
193,945.35x = 267,681.44 × 121,381.99 - Step 4: Simplify right side
193,945.35x = 32,491,705,507.52 - Step 5: Solve for x
x = 32,491,705,507.52/193,945.35 - Step 6: Final answer
x = 167,530.21
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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.