Finding the Fourth Proportional to 263,355.12, 393,993.30 and 202,925.79
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Solution
The fourth proportional to 263,355.12, 393,993.30 and 202,925.79 is: 303,587.80
Step by Step Solution
- Step 1: Write the proportion equation
263,355.12 : 393,993.30 = 202,925.79 : x - Step 2: Convert to fraction form
263,355.12/393,993.30 = 202,925.79/x - Step 3: Cross multiply
263,355.12x = 393,993.30 × 202,925.79 - Step 4: Simplify right side
263,355.12x = 79,951,401,657.21 - Step 5: Solve for x
x = 79,951,401,657.21/263,355.12 - Step 6: Final answer
x = 303,587.80
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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.