Finding the Fourth Proportional to 212,558.83, 293,331.84 and 115,763.42
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Solution
The fourth proportional to 212,558.83, 293,331.84 and 115,763.42 is: 159,753.88
Step by Step Solution
- Step 1: Write the proportion equation
212,558.83 : 293,331.84 = 115,763.42 : x - Step 2: Convert to fraction form
212,558.83/293,331.84 = 115,763.42/x - Step 3: Cross multiply
212,558.83x = 293,331.84 × 115,763.42 - Step 4: Simplify right side
212,558.83x = 33,957,096,993.29 - Step 5: Solve for x
x = 33,957,096,993.29/212,558.83 - Step 6: Final answer
x = 159,753.88
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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.