Finding the Fourth Proportional to 178,813.54, 246,765.41 and 98,242.63
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Solution
The fourth proportional to 178,813.54, 246,765.41 and 98,242.63 is: 135,576.33
Step by Step Solution
- Step 1: Write the proportion equation
178,813.54 : 246,765.41 = 98,242.63 : x - Step 2: Convert to fraction form
178,813.54/246,765.41 = 98,242.63/x - Step 3: Cross multiply
178,813.54x = 246,765.41 × 98,242.63 - Step 4: Simplify right side
178,813.54x = 24,242,882,871.43 - Step 5: Solve for x
x = 24,242,882,871.43/178,813.54 - Step 6: Final answer
x = 135,576.33
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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.