Finding the Fourth Proportional to 260,025.20, 389,381.70 and 207,537.20
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Solution
The fourth proportional to 260,025.20, 389,381.70 and 207,537.20 is: 310,782.14
Step by Step Solution
- Step 1: Write the proportion equation
260,025.20 : 389,381.70 = 207,537.20 : x - Step 2: Convert to fraction form
260,025.20/389,381.70 = 207,537.20/x - Step 3: Cross multiply
260,025.20x = 389,381.70 × 207,537.20 - Step 4: Simplify right side
260,025.20x = 80,811,187,749.24 - Step 5: Solve for x
x = 80,811,187,749.24/260,025.20 - Step 6: Final answer
x = 310,782.14
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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.