Finding the Fourth Proportional to 178,814.84, 246,562.48 and 130,331.12
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Solution
The fourth proportional to 178,814.84, 246,562.48 and 130,331.12 is: 179,709.72
Step by Step Solution
- Step 1: Write the proportion equation
178,814.84 : 246,562.48 = 130,331.12 : x - Step 2: Convert to fraction form
178,814.84/246,562.48 = 130,331.12/x - Step 3: Cross multiply
178,814.84x = 246,562.48 × 130,331.12 - Step 4: Simplify right side
178,814.84x = 32,134,764,168.38 - Step 5: Solve for x
x = 32,134,764,168.38/178,814.84 - Step 6: Final answer
x = 179,709.72
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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.