Finding the Fourth Proportional to 260,462.23, 389,627.55 and 196,809.19
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Solution
The fourth proportional to 260,462.23, 389,627.55 and 196,809.19 is: 294,408.45
Step by Step Solution
- Step 1: Write the proportion equation
260,462.23 : 389,627.55 = 196,809.19 : x - Step 2: Convert to fraction form
260,462.23/389,627.55 = 196,809.19/x - Step 3: Cross multiply
260,462.23x = 389,627.55 × 196,809.19 - Step 4: Simplify right side
260,462.23x = 76,682,282,517.18 - Step 5: Solve for x
x = 76,682,282,517.18/260,462.23 - Step 6: Final answer
x = 294,408.45
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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.