Finding the Fourth Proportional to 267,286.12, 368,854.81 and 159,856.14
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Solution
The fourth proportional to 267,286.12, 368,854.81 and 159,856.14 is: 220,601.45
Step by Step Solution
- Step 1: Write the proportion equation
267,286.12 : 368,854.81 = 159,856.14 : x - Step 2: Convert to fraction form
267,286.12/368,854.81 = 159,856.14/x - Step 3: Cross multiply
267,286.12x = 368,854.81 × 159,856.14 - Step 4: Simplify right side
267,286.12x = 58,963,706,147.03 - Step 5: Solve for x
x = 58,963,706,147.03/267,286.12 - Step 6: Final answer
x = 220,601.45
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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.