Finding the Fourth Proportional to 180,337.78, 248,715.12 and 135,121.96
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Solution
The fourth proportional to 180,337.78, 248,715.12 and 135,121.96 is: 186,355.15
Step by Step Solution
- Step 1: Write the proportion equation
180,337.78 : 248,715.12 = 135,121.96 : x - Step 2: Convert to fraction form
180,337.78/248,715.12 = 135,121.96/x - Step 3: Cross multiply
180,337.78x = 248,715.12 × 135,121.96 - Step 4: Simplify right side
180,337.78x = 33,606,874,496.04 - Step 5: Solve for x
x = 33,606,874,496.04/180,337.78 - Step 6: Final answer
x = 186,355.15
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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.