Finding the Fourth Proportional to 267,658.79, 401,361.11 and 155,373.44
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Solution
The fourth proportional to 267,658.79, 401,361.11 and 155,373.44 is: 232,986.39
Step by Step Solution
- Step 1: Write the proportion equation
267,658.79 : 401,361.11 = 155,373.44 : x - Step 2: Convert to fraction form
267,658.79/401,361.11 = 155,373.44/x - Step 3: Cross multiply
267,658.79x = 401,361.11 × 155,373.44 - Step 4: Simplify right side
267,658.79x = 62,360,855,566.05 - Step 5: Solve for x
x = 62,360,855,566.05/267,658.79 - Step 6: Final answer
x = 232,986.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.