Finding the Fourth Proportional to 292,438.89, 438,700.12 and 90,052.09
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Solution
The fourth proportional to 292,438.89, 438,700.12 and 90,052.09 is: 135,091.00
Step by Step Solution
- Step 1: Write the proportion equation
292,438.89 : 438,700.12 = 90,052.09 : x - Step 2: Convert to fraction form
292,438.89/438,700.12 = 90,052.09/x - Step 3: Cross multiply
292,438.89x = 438,700.12 × 90,052.09 - Step 4: Simplify right side
292,438.89x = 39,505,861,367.37 - Step 5: Solve for x
x = 39,505,861,367.37/292,438.89 - Step 6: Final answer
x = 135,091.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.