Finding the Fourth Proportional to 260,054.20, 389,425.20 and 207,566.20
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Solution
The fourth proportional to 260,054.20, 389,425.20 and 207,566.20 is: 310,825.62
Step by Step Solution
- Step 1: Write the proportion equation
260,054.20 : 389,425.20 = 207,566.20 : x - Step 2: Convert to fraction form
260,054.20/389,425.20 = 207,566.20/x - Step 3: Cross multiply
260,054.20x = 389,425.20 × 207,566.20 - Step 4: Simplify right side
260,054.20x = 80,831,508,948.24 - Step 5: Solve for x
x = 80,831,508,948.24/260,054.20 - Step 6: Final answer
x = 310,825.62
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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.