Finding the Fourth Proportional to 193,965.44, 267,709.05 and 121,401.99
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Solution
The fourth proportional to 193,965.44, 267,709.05 and 121,401.99 is: 167,557.75
Step by Step Solution
- Step 1: Write the proportion equation
193,965.44 : 267,709.05 = 121,401.99 : x - Step 2: Convert to fraction form
193,965.44/267,709.05 = 121,401.99/x - Step 3: Cross multiply
193,965.44x = 267,709.05 × 121,401.99 - Step 4: Simplify right side
193,965.44x = 32,500,411,411.01 - Step 5: Solve for x
x = 32,500,411,411.01/193,965.44 - Step 6: Final answer
x = 167,557.75
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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.