Finding the Fourth Proportional to 242,013.84, 362,439.38 and 135,135.15
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Solution
The fourth proportional to 242,013.84, 362,439.38 and 135,135.15 is: 202,378.09
Step by Step Solution
- Step 1: Write the proportion equation
242,013.84 : 362,439.38 = 135,135.15 : x - Step 2: Convert to fraction form
242,013.84/362,439.38 = 135,135.15/x - Step 3: Cross multiply
242,013.84x = 362,439.38 × 135,135.15 - Step 4: Simplify right side
242,013.84x = 48,978,299,306.53 - Step 5: Solve for x
x = 48,978,299,306.53/242,013.84 - Step 6: Final answer
x = 202,378.09
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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.