Finding the Fourth Proportional to 178,351.84, 246,150.96 and 110,390.68
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Solution
The fourth proportional to 178,351.84, 246,150.96 and 110,390.68 is: 152,354.87
Step by Step Solution
- Step 1: Write the proportion equation
178,351.84 : 246,150.96 = 110,390.68 : x - Step 2: Convert to fraction form
178,351.84/246,150.96 = 110,390.68/x - Step 3: Cross multiply
178,351.84x = 246,150.96 × 110,390.68 - Step 4: Simplify right side
178,351.84x = 27,172,771,857.05 - Step 5: Solve for x
x = 27,172,771,857.05/178,351.84 - Step 6: Final answer
x = 152,354.87
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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.