Finding the Fourth Proportional to 242,455.84, 363,740.96 and 76,243.84
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Solution
The fourth proportional to 242,455.84, 363,740.96 and 76,243.84 is: 114,383.75
Step by Step Solution
- Step 1: Write the proportion equation
242,455.84 : 363,740.96 = 76,243.84 : x - Step 2: Convert to fraction form
242,455.84/363,740.96 = 76,243.84/x - Step 3: Cross multiply
242,455.84x = 363,740.96 × 76,243.84 - Step 4: Simplify right side
242,455.84x = 27,733,007,555.69 - Step 5: Solve for x
x = 27,733,007,555.69/242,455.84 - Step 6: Final answer
x = 114,383.75
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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.