Finding the Fourth Proportional to 259,438.44, 389,152.26 and 72,445.08
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Solution
The fourth proportional to 259,438.44, 389,152.26 and 72,445.08 is: 108,666.11
Step by Step Solution
- Step 1: Write the proportion equation
259,438.44 : 389,152.26 = 72,445.08 : x - Step 2: Convert to fraction form
259,438.44/389,152.26 = 72,445.08/x - Step 3: Cross multiply
259,438.44x = 389,152.26 × 72,445.08 - Step 4: Simplify right side
259,438.44x = 28,192,166,607.88 - Step 5: Solve for x
x = 28,192,166,607.88/259,438.44 - Step 6: Final answer
x = 108,666.11
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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.