Finding the Fourth Proportional to 267,163.06, 368,719.14 and 153,986.62
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Solution
The fourth proportional to 267,163.06, 368,719.14 and 153,986.62 is: 212,521.20
Step by Step Solution
- Step 1: Write the proportion equation
267,163.06 : 368,719.14 = 153,986.62 : x - Step 2: Convert to fraction form
267,163.06/368,719.14 = 153,986.62/x - Step 3: Cross multiply
267,163.06x = 368,719.14 × 153,986.62 - Step 4: Simplify right side
267,163.06x = 56,777,814,097.91 - Step 5: Solve for x
x = 56,777,814,097.91/267,163.06 - Step 6: Final answer
x = 212,521.20
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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.