Finding the Fourth Proportional to 288,860.58, 433,299.75 and 78,502.98
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Solution
The fourth proportional to 288,860.58, 433,299.75 and 78,502.98 is: 117,756.88
Step by Step Solution
- Step 1: Write the proportion equation
288,860.58 : 433,299.75 = 78,502.98 : x - Step 2: Convert to fraction form
288,860.58/433,299.75 = 78,502.98/x - Step 3: Cross multiply
288,860.58x = 433,299.75 × 78,502.98 - Step 4: Simplify right side
288,860.58x = 34,015,321,608.26 - Step 5: Solve for x
x = 34,015,321,608.26/288,860.58 - Step 6: Final answer
x = 117,756.88
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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.