Finding the Fourth Proportional to 262,310.87, 393,590.79 and 135,927.50
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Solution
The fourth proportional to 262,310.87, 393,590.79 and 135,927.50 is: 203,955.75
Step by Step Solution
- Step 1: Write the proportion equation
262,310.87 : 393,590.79 = 135,927.50 : x - Step 2: Convert to fraction form
262,310.87/393,590.79 = 135,927.50/x - Step 3: Cross multiply
262,310.87x = 393,590.79 × 135,927.50 - Step 4: Simplify right side
262,310.87x = 53,499,810,139.77 - Step 5: Solve for x
x = 53,499,810,139.77/262,310.87 - Step 6: Final answer
x = 203,955.75
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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.