Finding the Fourth Proportional to 267,154.44, 368,673.84 and 144,648.12
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Solution
The fourth proportional to 267,154.44, 368,673.84 and 144,648.12 is: 199,614.79
Step by Step Solution
- Step 1: Write the proportion equation
267,154.44 : 368,673.84 = 144,648.12 : x - Step 2: Convert to fraction form
267,154.44/368,673.84 = 144,648.12/x - Step 3: Cross multiply
267,154.44x = 368,673.84 × 144,648.12 - Step 4: Simplify right side
267,154.44x = 53,327,977,849.18 - Step 5: Solve for x
x = 53,327,977,849.18/267,154.44 - Step 6: Final answer
x = 199,614.79
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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.