Finding the Fourth Proportional to 178,431.68, 246,238.87 and 97,858.50
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Solution
The fourth proportional to 178,431.68, 246,238.87 and 97,858.50 is: 135,046.46
Step by Step Solution
- Step 1: Write the proportion equation
178,431.68 : 246,238.87 = 97,858.50 : x - Step 2: Convert to fraction form
178,431.68/246,238.87 = 97,858.50/x - Step 3: Cross multiply
178,431.68x = 246,238.87 × 97,858.50 - Step 4: Simplify right side
178,431.68x = 24,096,566,459.90 - Step 5: Solve for x
x = 24,096,566,459.90/178,431.68 - Step 6: Final answer
x = 135,046.46
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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.