Finding the Fourth Proportional to 263,271.21, 362,936.39 and 187,688.49
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Solution
The fourth proportional to 263,271.21, 362,936.39 and 187,688.49 is: 258,740.72
Step by Step Solution
- Step 1: Write the proportion equation
263,271.21 : 362,936.39 = 187,688.49 : x - Step 2: Convert to fraction form
263,271.21/362,936.39 = 187,688.49/x - Step 3: Cross multiply
263,271.21x = 362,936.39 × 187,688.49 - Step 4: Simplify right side
263,271.21x = 68,118,982,066.71 - Step 5: Solve for x
x = 68,118,982,066.71/263,271.21 - Step 6: Final answer
x = 258,740.72
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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.