Finding the Fourth Proportional to 985,013.68, 1,477,520.82 and 237,059.68
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Solution
The fourth proportional to 985,013.68, 1,477,520.82 and 237,059.68 is: 355,589.59
Step by Step Solution
- Step 1: Write the proportion equation
985,013.68 : 1,477,520.82 = 237,059.68 : x - Step 2: Convert to fraction form
985,013.68/1,477,520.82 = 237,059.68/x - Step 3: Cross multiply
985,013.68x = 1,477,520.82 × 237,059.68 - Step 4: Simplify right side
985,013.68x = 350,260,612,782.54 - Step 5: Solve for x
x = 350,260,612,782.54/985,013.68 - Step 6: Final answer
x = 355,589.59
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1.5x scale
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.